non-return
watertight
breathe
flow
lee
flowless
one-way
semiliquid
indraught
free water
flightlessly
outskip
streamlined
counterflow
flowing
aerodynamic
sleek
semi-liquid
wash up
swim
rainproof
waterproof
waterproofed
spillage
flux
channel
nonevacuated
release
clack valve
spill
clack
clapper valve
waft
smooth
plain sailing
airlessly
retrotransport
blown
vent
air-tight
weather
draughtless
dropless
airfreight
uncorked
airtight
gas-tight
nonwaterborne
unidirectionally
leaky
run
fly
impermeable
whiff
permeable
back up
antidromic
standing
register
nonflying
blow away
saltation
break ground
fly like a rock
solo
ebb
free-range
spurt
backflow
Helmholtz resonator
nonflow
slosh
swill
willy-nilly
draw
footway
flush down
wash down
flowy
still water
overweather
gutter
liquid
trough
gleet
nonturbulent
shed
antiflow
wakeless
reflux
flow of air
nonearthbound
backrun
air flow
airflow
tide gate
creekless
non-return
watertight
lee
flowless
one-way
semiliquid
streamlined
flowing
aerodynamic
sleek
semi-liquid
rainproof
waterproof
waterproofed
nonevacuated
smooth
blown
air-tight
weather
draughtless
dropless
uncorked
airtight
gas-tight
nonwaterborne
leaky
impermeable
permeable
antidromic
standing
nonflying
free-range
nonflow
flowy
overweather
liquid
nonturbulent
antiflow
wakeless
nonearthbound
creekless
flightlessly
airlessly
unidirectionally
willy-nilly
indraught
free water
spillage
channel
release
clack valve
spill
clack
clapper valve
plain sailing
register
saltation
counterflow
backflow
Helmholtz resonator
footway
still water
gutter
trough
flow of air
backrun
air flow
airflow
tide gate
breathe
flow
outskip
counterflow
wash up
swim
flux
waft
retrotransport
vent
airfreight
run
fly
whiff
back up
blow away
break ground
fly like a rock
solo
ebb
spurt
slosh
swill
draw
flush down
wash down
gleet
shed
reflux
verb
- allow the passage of air through
- draw air into, and expel out of, the lungs
- be alive
- impart as if by breathing
- utter or tell
- manifest or evince
- take a short break from one's activities in order to relax
- reach full flavor by absorbing air and being let to stand after having been uncorked
- expel (gases or odors)
verb
- To allow (a liquid) to flow.
- To rise, as the tide; opposed to ebb.
- To move as a fluid from one position to another.
- To have or be in abundance; to abound, so as to run or flow over.
- To move or match smoothly, gracefully, or continuously.
- To hang loosely and wave.
- To arrange (text in a wordprocessor, etc.) so that it wraps neatly into a designated space; to reflow.
- To cover with water or other liquid; to overflow; to inundate; to flood.
- To discharge excessive blood from the uterus.
- To proceed; to issue forth.
- To cover with varnish.
noun
- The ability to skilfully rap along to a beat.
- The sequence of steps taken in a piece of software to perform some action.
- A formalization of the idea of the motion of particles in a fluid, as a group action of the real numbers on a set.
- A morass or marsh.
- The amount of a fluid that moves or the rate of fluid movement.
- A mental state characterized by concentration, focus and enjoyment of a given task.
- The movement of a real or figurative fluid.
- The emission of blood during menstruation.
- A flow pipe, carrying liquid away from a boiler or other central plant (compare with return pipe which returns fluid to central plant).
- Movement in people or things characterized with a continuous motion, involving either a non solid mass or a multitude.
- The rising movement of the tide.
- Smoothness or continuity.
adj
verb
- To move through the water, without touching the bottom; to propel oneself in water by natural means.
- To move around freely because of excess space.
- To glide along with a waving motion.
- My head was swimming after drinking two bottles of cheap wine.
- To cause to swim.
- To immerse in water to make the lighter parts float.
- To traverse (a specific body of water, or a specific distance) by swimming; or, to utilize a specific swimming stroke; or, to compete in a specific swimming event.
- To be dizzy or vertiginous; have a giddy sensation; to have, or appear to have, a whirling motion.
- To be overflowed or drenched.
- To become immersed in, or as if in, or flooded with, or as if with, a liquid
- To test (a suspected witch) by throwing into a river; those who floated rather than sinking were deemed to be witches.
noun
verb
noun
- The rate of transfer of energy (or another physical quantity), especially an electric or magnetic field, through a given surface.
- A state of ongoing change.
- The state of being liquid through heat; fusion.
- A chemical agent for cleaning metal prior to soldering or welding.
- The act of flowing; a continuous moving on or passing by, as of a flowing stream.
adj
noun
- a passage for water (or other fluids) to flow through
- a path over which electrical signals can pass
- a long narrow furrow cut either by a natural process (such as erosion) or by a tool (as e.g. a groove in a phonograph record)
- a deep and relatively narrow body of water (as in a river or a harbor or a strait linking two larger bodies) that allows the best passage for vessels
- (often plural) a means of communication or access
- a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance
- a television station and its programs
- a way of selling a company's product either directly or via distributors
verb
noun
- the act of allowing a fluid to escape
- merchandise issued for sale or public showing (especially a record or film)
- the act of liberating someone or something
- a process that liberates or discharges something
- an announcement distributed to members of the press in order to supplement or replace an oral presentation
- the termination of someone's employment (leaving them free to depart)
- euphemistic expressions for death
- a legal document evidencing the discharge of a debt or obligation
- a device that when pressed will release part of a mechanism
- activity that frees or expresses creative energy or emotion
- a formal written statement of relinquishment
- (music) the act or manner of terminating a musical phrase or tone
verb
- release, as from one's grip
- grant freedom to; free from confinement
- let (something) fall or spill from a container
- prepare and issue for public distribution or sale
- eliminate (a substance)
- generate and separate from cells or bodily fluids
- make (information) available for publication
- part with a possession or right
- release (gas or energy) as a result of a chemical reaction or physical decomposition
- make (assets) available
noun
- the act of allowing a fluid to escape
- liquid that is spilled
- a channel that carries excess water over or around a dam or other obstruction
- a sudden drop from an upright position
verb
- cause or allow (a liquid substance) to run or flow from a container
- flow, run or fall out and become lost
- cause or allow (a solid substance) to flow or run out or over
- pour out in drops or small quantities or as if in drops or small quantities
- reveal information
- reduce the pressure of wind on (a sail)
adj
- of motion that runs or flows or proceeds without jolts or turbulence
- having a surface free from roughness or bumps or ridges or irregularities
- of the margin of a leaf shape; not broken up into teeth
- (music) without breaks between notes; smooth and connected
noun
adj
- smoothly agreeable and courteous with a degree of sophistication
- smooth and unconstrained in movement
- lacking obstructions or difficulties
- (of a body of water) free from disturbance by heavy waves
verb
verb
- To allow gases to escape.
- To determine the sex of (a chick) by opening up the anal vent or cloaca.
- To ventilate; to use a ventilator; to use ventilation.
- To express a strong emotion.
- To snuff; to breathe or puff out; to snort.
- To sell; to vend.
- To allow to escape through a vent.
noun
- An opening in a volcano from which lava or gas flows.
- Opportunity of escape or passage from confinement or privacy; outlet.
- A small aperture.
- The opening at the breech of a firearm, through which fire is communicated to the powder of the charge.
- Ventriloquism.
- A slit in the seam of a garment.
- Emission; escape; passage to notice or expression; publication; utterance.
- An opening through which gases, especially air, can pass.
- The excretory opening of lower orders of vertebrates.
- A rant; a long session of expressing verbal frustration.
- In steam boilers, a sectional area of the passage for gases divided by the length of the same passage in feet.
adj
noun
- The short term state of the atmosphere at a specific time and place, including the temperature, relative humidity, cloud cover, precipitation, wind, etc.
- Unpleasant or destructive atmospheric conditions, and their effects.
- The direction from which the wind is blowing; used attributively to indicate the windward side.
- A situation.
verb
- To endure or survive an event or action without undue damage.
- To pass to windward in a vessel, especially to beat 'round.
- To break down, of rocks and other materials, under the effects of exposure to rain, sunlight, temperature, and air.
- To sustain the trying effect of; to bear up against and overcome; to endure; to resist.
- To expose to the weather, or show the effects of such exposure, or to withstand such effects.
- To place (a hawk) unhooded in the open air.
adj
verb
- Of a liquid, to flow.
- To carry (a football) down the field, as opposed to passing or kicking.
- Of an object, to have a liquid flowing from it.
- To print or broadcast in the media.
- To pursue in thought; to carry in contemplation.
- To put at hazard; to venture; to risk.
- To be a candidate in an election.
- To fuse; to shape; to mould; to cast.
- To control or manage, be in charge of.
- To smuggle (illegal goods).
- To go at a fast pace; to move quickly.
- To extend in space or through a range (often with a measure phrase).
- To execute or carry out a plan, procedure, or program.
- To make run in a race.
- To transit a length of a river, as in whitewater rafting.
- To control or have precedence in a card game.
- To move forward quickly upon two feet by alternately making a short jump off either foot. (Compare walk.)
- To leak or spread in an undesirable fashion; to bleed (especially used of dye or paint).
- To sail before the wind, in distinction from reaching or sailing close-hauled.
- To exert continuous activity; to proceed.
- To sew (a seam) by passing the needle through material in a continuous line, generally taking a series of stitches on the needle at the same time.
- To become different in a way mentioned (usually to become worse).
- To cause to move quickly or lightly.
- To cause to enter; to thrust.
- To speedrun.
- To be in form thus, as a combination of words.
- To juggle a pattern continuously, as opposed to starting and stopping quickly.
- To move or spread quickly.
- To sort through a large volume of produce in quality control.
- To extend in time, to last, to continue (usually with a measure phrase).
- To make a machine operate.
- To become liquid; to melt.
- To make something extend in space.
- Of a machine, including computer programs, to be operating or working normally.
- To achieve or perform by running or as if by running.
- To pass (without stopping), typically a stop signal, stop sign, or duty to yield the right of way.
- To transport someone or something, notionally at a brisk pace.
- To be presented in the media.
- Of a means of transportation: to travel (a route).
- To cost a large amount of money.
- Of stitches or stitched clothing, to unravel.
- To tend, as to an effect or consequence; to incline.
- To encounter or suffer (a particular, usually bad, fate or misfortune).
- To compete in a race.
- Of fish, to migrate for spawning.
- To make run in an election.
- To drive or force; to cause, or permit, to be driven.
- To have growth or development.
- To have a legal course; to be attached; to continue in force, effect, or operation; to follow; to go in company.
- To cause to be drawn; to mark out; to indicate; to determine.
- To flee from a danger or towards help.
- To pass or go quickly in thought or conversation.
- To encounter or incur (a danger or risk).
- To tease with sarcasms and ridicule.
- To make a liquid flow; to make liquid flow from or into an object.
- To strike (the ball) in such a way as to cause it to run along the ground, as when approaching a hole.
verb
- To travel through the air, another gas, or a vacuum, without being in contact with a grounded surface.
- To cause to fly (travel or float in the air): to transport via air or the like.
- To be in the winged adult stage.
- To hunt with a hawk.
- To travel or proceed very fast; to hasten.
- To be accepted, come about or work out.
- To proceed with great success.
- To move suddenly, or with violence; to do an act suddenly or swiftly.
- To display (a flag) on a flagpole.
- To hit a fly ball; to hit a fly ball that is caught for an out. Compare ground (verb) and line (verb).
noun
- A vibrating frame with fingers, attached to a power printing press for doing the same work.
- A wing.
- A type of small, light, fast horse-drawn carriage that can be hired for transportation (sometimes pluralised flys).
- Two or more vanes set on a revolving axis, to act as a fanner, or to equalize or impede the motion of machinery by the resistance of the air, as in the striking part of a clock.
- A lightweight fishing lure resembling an insect.
- The butterfly stroke (plural is normally flys).
- A strip of material (sometimes hiding zippers or buttons) at the front of a pair of trousers, pants, underpants, bootees, etc.
- Especially, any of the insects of the family Muscidae, such as the common housefly (other families of Diptera include mosquitoes and midges).
- A butterfly (combination of four options).
- An act of flying.
- One of the upper screens of a stage in a theatre.
- The person who took the printed sheets from the press.
- A piece of canvas that covers the opening at the front of a tent.
- The pair of arms revolving around the bobbin, in a spinning wheel or spinning frame, to twist the yarn.
- waste cotton
- Any insect of the order Diptera; characterized by having two wings (except for some wingless species), also called true flies.
- A simple dance in which the hands are shaken in the air, popular in the 1960s.
- An exercise that involves wide opening and closing of the arms perpendicular to the shoulders.
- A chest exercise performed by moving extended arms from the sides to in front of the chest. (also flye)
- Any similar, but not closely related insect, such as a dragonfly or butterfly.
- That part of a compass on which the points are marked; the compass card.
- In a knitting machine, the piece hinged to the needle, which holds the engaged loop in position while the needle is penetrating another loop; a latch..
- The free edge of a flag.
- The horizontal length of a flag.
- A fly ball.
- The part of a vane pointing the direction from which the wind blows.
- Related terms: flyman
- A shuttle driven through the shed by a blow or jerk.
adj
verb
- To be carried, or move as if carried, by a puff of air; to waft.
- To inhale or exhale (smoke from tobacco, etc.) from a cigarette, pipe, or other smoking implement; to smoke (a cigarette, pipe, etc.); to puff.
- To say (something) with an exhalation of breath.
- To breathe in or sniff (an odour); to smell.
- To carry or convey (something) by, or as by, a whiff or puff of air; to blow, puff, or waft away.
- Of a pitcher: to strike out (a batter); to fan.
- To smoke a cigarette, pipe, or other smoking implement.
- Especially in baseball or golf: to completely miss hitting a ball; hence (baseball), of a batter: to strike out; to fan.
- To give off or have an unpleasant smell; to stink.
- To catch fish by dragging a handline near the surface of the water from a moving boat.
- To shoot (someone) with a firearm; hence, to assassinate or kill (someone).
- To smell; to sniff.
- To fail spectacularly.
- In fighting games, to execute a move that fails to hit the opponent.
- To move in a way that causes a light gust of air, or a whistling sound.
intj
noun
- A brief, gentle breeze; a light gust of air; a waft.
- A flag used as a signal.
- A short inhalation or exhalation of breath, especially when accompanied by smoke from a cigarette or pipe.
- An odour (usually unpleasant) carried briefly through the air.
- The name of a number of flatfish such as (dated) the lemon sole (Microstomus kitt) and now, especially, the megrim (Lepidorhombus whiffiagonis) and (with a descriptive word) a species of large-tooth flounder or sand flounder (family Paralichthyidae).
- A slight sign of something; a burst, a glimpse, a hint.
- A slight attack or touch.
- A characteristic quality of something; a flavour, a savour, a taste.
- A failure to hit a ball in various sports (for example, golf); a miss.
- A sound like that of air passing through a small opening; a short or soft whistle.
- A small quantity of cloud, smoke, vapour, etc.; specifically (obsolete), chiefly in take the whiff: a puff of tobacco smoke.
- From the batter's perspective: a strike.
- An outrigged boat for one person propelled by oar.
adj
verb
- To halt the flow or movement of something.
- For the non-striker to take a few steps down the pitch, in preparation to taking a run, just as the bowler bowls the ball.
- To move backwards, especially for a vehicle to do so.
- To copy (data) so that it can be restored if the main copy is lost.
- To undo one's actions.
- For a fielder to position himself behind the wicket (relative to a team-mate who is throwing the ball at the wicket) so as to stop the ball, and prevent overthrows.
- To fill up because of a backlog.
- To provide support or the promise of support to.
- To reconsider one's thoughts.
- To move a vehicle backwards.
- Coordinate terms: back away, back off, stand back
adj
- (of fluids) not moving or flowing
- executed in or initiated from a standing position
- (of persons) on the feet; having the torso in an erect position supported by straight legs
noun
- social or financial or professional status or reputation
- an ordered listing of scores or results showing the relative positions of competitors (individuals or teams) in a sporting event
- the act of assuming or maintaining an erect upright position
adj
noun
- an air passage (usually in the floor or a wall of a room) for admitting or excluding heated air from the room
- an official written record of names or events or transactions
- (music) the timbre that is characteristic of a certain range and manner of production of the human voice or of different pipe organ stops or of different musical instruments
- a book in which names and transactions are listed
- (computer science) memory device that is the part of computer memory that has a specific address and that is used to hold information of a specific kind
- a regulator (as a sliding plate) for regulating the flow of air into a furnace or other heating device
- a cashbox with an adding machine to register transactions; used in shops to add up the bill
verb
- record in writing; enter into a book of names or events or transactions
- record in a public office or in a court of law
- enroll to vote
- be aware of
- indicate a certain reading; of gauges and instruments
- have one's name listed as a candidate for several parties
- show in one's face
- manipulate the registers of an organ
- send by registered mail
- enter into someone's consciousness
verb
- To disperse or to depart on currents of air.
- Used other than figuratively or idiomatically: see blow, away.
- To overwhelm.
- To cause to go away by blowing, or by wind.
- To cause to go away, to get rid of
- To flabbergast; to impress greatly.
- To delete (data, files, etc.).
- To kill (someone) by shooting them with a firearm.
verb
- to flow back or recede
- to fish with stakes and nets that serve to prevent the fish from getting back into the sea with the ebb
- To cause to flow back.
- to fall away or decline
noun
- A European bunting, the corn bunting (Emberiza calandra, syns. Emberiza miliaria, Milaria calandra).
- The receding movement of the tide.
- A gradual decline.
- A low state; a state of depression.
adj
verb
- To have a draught; to allow air to be passed through in order to allow for combustion.
- To take (air, smoke etc.) into the lungs; to inhale.
- To provoke or attract (a particular response or reaction).
- To hit (the ball) with the toe of the club so that it is deflected toward the left.
- To take (water) from a well or other source.
- To strike (the cue ball) below the center so as to give it a backward rotation which causes it to take a backward direction on striking another ball.
- To receive (a salary); to withdraw (money) from a bank etc.
- To elicit information from (someone); to induce (a person) to speak on some subject. (Now frequently in passive.)
- To pull out, unsheathe (a sword, firearm etc.).
- To make (wire) by pulling it through an aperture; to stretch (metal) into a wire.
- To move steadily in a particular direction or into a specific position.
- To extract (a tooth).
- To take or be dealt a playing card from the deck. See also draw out.
- To pull (something) in a particular manner or direction.
- To call forth (something) from a person, to elicit.
- To take or be dealt (a card) from the deck; to have (a particular hand) as a result of this.
- To make a shot that lands gently in the house (the circular target) without knocking out other stones.
- To attract (something) by means of a physical force, especially magnetism or gravity; (figurative) to act as an inducement or enticement.
- To come to, towards (a particular moment in time); to approach (a time).
- To produce (a shape, figure, picture etc.) with pencil, crayon, chalk, or other implement.
- To cause (someone) to come to a particular place, condition, or course of action; to attract (a person).
- To conduct (a lottery); to select (the numbers) for a lottery; to win (a prize) in a lottery.
- To depict (something) linguistically; to portray in words.
- To produce a visual representation of (a person or thing) by lines and marks with pencil, pen, paints etc.
- To drag (a person, thing, or part of the body), especially along the ground.
- To move (a part of one's body) in a particular direction.
- To stretch or elongate.
- To deduce or infer (a conclusion); to make (a deduction).
- To draw up, compose (a document).
- To induce (the mind, eyes, attention etc.) to be directed at or focused on something.
- To cause (something); to bring (something) about as a consequence.
- To become contracted; to shrink.
- To pull (a curtain, blinds etc.) open or closed.
- To assume a specific position or attitude.
- To require (a depth of water) for floating.
- To pull back (the string of a bow) in preparation for shooting.
- To pull (one's face, features) out of shape, from emotion etc.
- Of a sail, to fill with wind.
- To select (an item) at random to decide which of a group of people will receive or undergo something; to select (a person) by this process.
- To disembowel (someone); to remove the viscera from (an animal), especially before cooking.
- To end a game in a draw (with neither side winning).
- To steep; to leave (tea) temporarily in water to allow the flavour to increase.
- To run (a bath).
- To produce an image of something by artistic means; to make drawings.
- To pull (a belt or other item) so that it tightens or wraps around something more closely.
- To take (something) from a particular source, especially of information; to derive.
- To pull (a plough, vehicle etc.); to cause (something) to move forwards by pulling it.
- To extract (juice, fluids etc.) from something by pressure, osmosis or similar.
- To play (a short-length ball directed at the leg stump) with an inclined bat so as to deflect the ball between the legs and the wicket.
- To consume (power).
noun
- A dry stream bed that drains surface water only during periods of heavy rain or flooding.
- The act of drawing.
- The act of pulling back the strings in preparation of firing.
- Something that attracts e.g. a crowd.
- Cannabis.
- The spin or twist imparted to a ball etc. by a drawing stroke.
- The procedure by which the result of a lottery is determined.
- A shot that is intended to land gently in the house (the circular target) without knocking out other stones; cf. takeout.
- A bag of cannabis.
- Draft in the sense of the flow through a flue of gasses (smoke) resulting from a combustion process, possibly adjustable with a damper.
- The result of a two-innings match in which at least one side did not complete all their innings before time ran out (as distinguished from a tie).
- A golf shot that (for the right-handed player) curves intentionally to the left. See hook, slice, fade.
- In a commission-based job, an advance on future (potential) commissions given to an employee by the employer.
- A situation in which one or more players has four cards of the same suit or four out of five necessary cards for a straight and requires a further card to make their flush or straight.
- The result of a contest that neither side has won; a tie.
verb
adj
- Flowing freely like water; fluid; not solid and not gaseous; composed of particles that move freely among each other on the slightest pressure.
- Belonging to a class of consonants comprised of the laterals and the rhotics, which in many languages behave similarly.
- Having sufficient trading activity to make buying or selling easy.
- Flowing or sounding smoothly or without abrupt transitions or harsh tones.
- Fluid and transparent.
- Easily sold or disposed of without losing value.
noun
- A substance that is flowing, and keeping no shape, such as water; a substance of which the molecules, while not tending to separate from one another like those of a gas, readily change their relative position, and which therefore retains no definite shape, except that determined by the containing receptacle; an inelastic fluid.
- Any of a class of consonant sounds that includes l and r.
noun
- a channel along the eaves or on the roof; collects and carries away rainwater
- a narrow depression (as in the earth or between ocean waves or in the ocean bed)
- a concave shape with an open top
- a treasury for government funds
- a long narrow shallow receptacle
- a container (usually in a barn or stable) from which cattle or horses feed
verb
- To allow to flow or fall.
- to woodshed
- To radiate, cast, give off (light); see also shed light on.
- To sprinkle; to intersperse; to cover.
- To divide, as the warp threads, so as to form a shed, or passageway, for the shuttle.
- To part with, separate from, leave off; cast off, let fall, be divested of.
- To place or allocate a vehicle, such as a locomotive, in or to a depot or shed.
noun
- An automobile which is old, worn-out, slow, or otherwise of poor quality.
- An area between upper and lower warp yarns through which the weft is woven.
- A large temporary open structure for reception of goods.
- A British Rail Class 66 locomotive.
- A slight or temporary structure built to shade or shelter something; a structure usually open in front; an outbuilding; a hut.
- A unit of area equivalent to 10⁻⁵² square meters; used in nuclear physics
noun
adj
noun
noun
adj
English words for 'allowing air or liquid to travel in one direction only, and not permitting its return.'
As you may have noticed, above you will find words for "allowing air or liquid to travel in one direction only, and not permitting its return.". Hover the mouse over the word you'd like to know more about to view its definition. Click 
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maglev train
early modern Japanese
to start writing
a lifetime
necessitarianism.
a sorcerer or magician.
how-to book
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lookout platform
Chinese New Year
round.
worth.
a specially encoded weather observation report.
To take on
Lothario
fermented mare's milk
anything worthless.
Commendation
another try
to brush against
to a certain extent
kind words
cadet family
achieved independence from Spain in 1811
clacking
temporarily.
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To make empty
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lovely.
callous.
DES
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formally
knowledgeable
positioning
kink
downstream
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invariably
southeastern United States
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small-minded
deep blue
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tiny