latter
ditrichotomous
former
dual
tweezer
bivalent
divalent
tone
one little duck
twi-
duo-
couple
iii
3
coupla
three
swy
gemeled
Janus-headed
tooth
ana-
bidual
fritter
splatterdash
Huey, Dewey and Louie
up
submentalize
other
duoplural
even
iv
four
4
disubstituted
moiety
bisegmental
mediety
bi-
bimaximal
duodecillionth
bipartite
tweenhood
binate
cohomotopy
interden
binucleolated
quadrigeminal
homodisubstituted
adhibit
eights
slip
severalty
discreteness
pendant
error
distinctness
fellow
interpair
separateness
mate
acey-deucey
down to
singly
dichotomize
fiercen
trichodermic
man-to-man
co-
tervalent
plicature
binomial
mated
paired
twofoldly
twin
coselection
biune
both
jell
twain
fallal
double
-valent
dyadic
42nd
polyspecific
intertrigonal
tri
duad
two-hundredth
intrapair
either
diblock
odd
forty-second
pairwise
dimidiate
ditrichotomous
dual
tweezer
bivalent
divalent
couple
iii
3
three
gemeled
Janus-headed
up
even
iv
four
4
disubstituted
bisegmental
bimaximal
duodecillionth
bipartite
binate
interden
binucleolated
quadrigeminal
homodisubstituted
interpair
trichodermic
man-to-man
tervalent
binomial
mated
paired
twin
biune
twain
both
dyadic
42nd
polyspecific
intertrigonal
two-hundredth
intrapair
diblock
odd
forty-second
pairwise
singly
twofoldly
double
pairwise
latter
former
one little duck
coupla
swy
bidual
Huey, Dewey and Louie
other
duoplural
moiety
mediety
tweenhood
cohomotopy
eights
severalty
discreteness
pendant
distinctness
fellow
separateness
mate
acey-deucey
plicature
coselection
fallal
duodecillionth
tri
duad
tooth
fritter
splatterdash
submentalize
adhibit
slip
error
dichotomize
fiercen
jell
dimidiate
adj
- Pertaining to two, pertaining to a pair of.
- Characterized by having two (usually equivalent) components.
- Pertaining to a grammatical number in certain languages that refers to two of something, such as a pair of shoes.
- Exhibiting duality.
- Being the dual of some other category; containing the same objects but with source and target reversed for all morphisms.
- Being the space of all linear functionals of (some other space).
verb
noun
- Of a vector in an inner product space, the linear functional corresponding to taking the inner product with that vector. The set of all duals is a vector space called the dual space.
- The dual number.
- Of an item that is one of a pair, the other item in the pair.
- Of a regular polyhedron with V vertices and F faces, the regular polyhedron having F vertices and V faces.
pron
noun
- The quality of being respectable or admirable.
- The pitch of a word that distinguishes a difference in meaning, for example in Chinese.
- The manner in which speech or writing is expressed.
- The character of a sound, especially the timbre of an instrument or voice.
- A specific pitch.
- (in a Gregorian chant) A recitational melody.
- The state of a living body or of any of its organs or parts in which the functions are healthy and performed with due vigor.
- a gun
- The shade or quality of a colour.
- The favourable effect of a picture produced by the combination of light and shade, or of colours.
- The definition and firmness of a muscle or organ; see also: tonus.
- (in the diatonic scale) An interval of a major second.
- Normal tension or responsiveness to stimuli.
- The general character, atmosphere, mood, or vibe (of a situation, place, etc.).
verb
noun
prefix
prefix
adj
noun
- A small number.
- That which joins or links two things together; a bond or tie; a coupler.
- A couple-close.
- Two partners in a romantic or sexual relationship.
- One of the pairs of plates of two metals which compose a voltaic battery, called a voltaic couple or galvanic couple.
- Two of the same kind connected or considered together.
- A turning effect created by forces that sum to zero in magnitude but produce a non-zero external torque.
det
verb
verb
noun
- An irreducible component of a comb that intersects the handle in exactly one point, that point being distinct from the unique point of intersection for any other tooth of the comb.
- A hard, calcareous structure present in the mouth of many vertebrate animals, generally used for eating.
- The rough surface of some kinds of cel or other films that allows better adhesion of artwork.
- A pointed projection from the margin of a leaf.
- A projection on the edge of a gear that meshes with similar projections on adjacent gears, or on the circumference of a cog that engages with a chain.
- A sharp projection on the blade of a saw or similar implement.
- Liking, fondness (compare toothsome).
- A projection or point in other parts of the body resembling the tooth of a vertebrate animal.
noun
verb
- To sinter.
- To break into small pieces or fragments.
- To cut (meat etc.) into small pieces for frying.
- To squander or waste time, money, or other resources; e.g. occupy oneself idly or without clear purpose, to tinker with an unimportant part of a project, to dally, sometimes as a form of procrastination.
noun
adj
- Said of the higher-ranking pair in a two pair.
- Traveling towards a major terminus.
- At university (especially Oxford or Cambridge).
- Aloft.
- Larger; greater in quantity, volume, value etc.
- Functional; working.
- Raised; lifted.
- Above the horizon, in the sky.
- well-known; renowned
- Awake and out of bed.
- Willing; ready.
- Indicating a larger or higher quantity.
- Headed or designated to go upward (as an escalator, stairway, elevator etc.) or toward (as a run-up).
- Finished, to an end
- On or at a physically higher level.
- Chilled and served without ice.
- Erect.
- Ahead; leading; winning.
- Happening; new; of concern. See also what's up, what's up with.
- Facing upwards.
- Well-informed; current.
- In a good mood.
- Built, constructed.
- Fitted or fixed at a high or relatively high position, especially on a wall or ceiling.
- Available to view or use; made public; posted.
- Riding the horse; mounted.
- Standing; upright.
- Next in a sequence.
adv
- Away from the surface of the Earth or other planet; in opposite direction to the downward pull of gravity.
- Aside or away, so as no longer to be present or in use.
- Towards or at a central place, or any place that is visualised as 'up' by virtue of local features or local convention, or arbitrarily, irrespective of direction or elevation change.
- To or from one's possession or consideration.
- To or at a physically higher or more elevated position.
- Used as an aspect marker to indicate a completed action or state; thoroughly, completely.
- To or in a position of equal advance or equality; not short of, back of, less advanced than, away from, etc.; usually followed by to or with.
- Towards the principal terminus, towards milepost zero.
- In a positive vertical direction.
- North.
- Against the wind or current.
- To a higher level of some quantity or notional quantity, such as price, volume, pitch, happiness, etc.
- Without additional ice.
- Relatively close to the batsman.
verb
- To upload.
- To physically raise or lift.
- To increase the level or amount of.
- To promote.
- To rise to a standing position; hence, by extension, to act suddenly; see also up and.
noun
- The direction opposed to the pull of gravity.
- An up quark.
- An upstairs room of a two story house.
- A positive thing, or a time or situation when things are going well.
prep
- From south to north of.
- At (a given place, especially one imagined to be higher or more distant from a central location).
- From the mouth towards the source of (a river or waterway).
- Further along (in any direction).
- Of a man: having sex with.
- Toward the center, source, or main point of reference; toward the end at which something is attached.
- Toward the top of.
verb
adj
- divisible by two
- being level or straight or regular and without variation as e.g. in shape or texture; or being in the same plane or at the same height as something else (i.e. even with)
noun
adv
- used as an intensive especially to indicate something unexpected
- in spite of; notwithstanding
- to a greater degree or extent; used with comparisons
- to the full extent
adj
- equal in degree or extent or amount; or equally matched or balanced
- symmetrically arranged
- occurring at fixed intervals
- of the score in a contest
verb
prefix
noun
adj
noun
verb
- To err.
- To release (a dog, a bird of prey, etc.) to go after a quarry.
- To cause to slip or slide off, or out of place.
- To cut slips from; to cut; to take off; to make a slip or slips of.
- To move down; to slide.
- To bring forth (young) prematurely; to slink.
- To accidentally reveal a secret or otherwise say something unintentional.
- To cause to move smoothly and quickly; to slide; to convey gently or secretly.
- To pass (a note, money, etc.), often covertly.
- To lose one’s traction on a slippery surface; to slide due to a lack of friction.
- To move quickly and often secretively; to depart, withdraw, enter, appear, intrude, or escape as if by sliding.
- To move or fly (out of place); to shoot; often with out, off, etc.
- To remove the skin of a soft fruit, such as a tomato or peach, by blanching briefly in boiling water, then transferring to cold water so that the skin peels, or slips, off easily.
- To cause (a schedule or release, etc.) to go, or let it go, beyond the allotted deadline.
noun
- A number between 0 and 1 that is the difference between the angular speed of a rotating magnetic field and the angular speed of its rotor, divided by the angular speed of the magnetic field.
- A fish, the sole.
- A woman's undergarment worn under a skirt or dress to conceal unwanted nudity that may otherwise be revealed by the skirt or dress itself; a shift.
- An escape; a secret or unexpected desertion.
- A young person (now usually with of introducing descriptive qualifier).
- The motion of the centre of resistance of the float of a paddle wheel, or the blade of an oar, through the water horizontally, or the difference between a vessel's actual speed and the speed it would have if the propelling instrument acted upon a solid; also, the velocity, relatively to still water, of the backward current of water produced by the propeller.
- The difference between the actual and synchronous speeds of an induction motor.
- A slipway.
- A dislocation of a lead, destroying continuity.
- A small piece of paper, especially one longer than it is wide, typically a form for writing on or one giving printed information.
- Any of several fielding positions to the off side of the wicket keeper, designed to catch the ball after being deflected from the bat; a fielder in that position (See first slip, second slip, third slip, fourth slip and fifth slip.)
- A twig or shoot; a cutting.
- A particular quantity of yarn.
- Matter found in troughs of grindstones after the grinding of edge tools.
- A thin, slippery mix of clay and water.
- A slipdress.
- An act or instance of slipping.
- The positional displacement in a sequence of transmitted symbols that causes the loss or insertion of one or more symbols.
- A mistake or error.
- A long, thin piece of something.
- A difference between the theoretical distance traveled per revolution of the propeller and the actual advance of the vessel.
- A memorandum of the particulars of a risk for which a policy is to be executed. It usually bears the broker's name and is initiated by the underwriters.
- A long seat or narrow pew in churches, often without a door.
- An outside covering or case.
- A one-time return to previous maladaptive behaviour after cure.
- A leash or string by which a dog is held; so called from its being made in such a manner as to slip, or become loose, by relaxation of the hand.
- A berth; a space for a ship to moor.
noun
- One of a pair; a counterpart.
- A short rope hanging down, used to attach hooks for tackles; a pennant.
- A lamp hanging from the roof.
- A piece of jewellery which hangs down as an ornament, especially worn on a chain around the neck.
- A long narrow flag at the head of the principal mast in a royal ship.
- The dangling part of an earring.
- An ornament of wood or of stone hanging downwards from a roof.
- A supporting post attached to the main rafter.
- The stem and ring of a watch, by which it is suspended.
verb
- To err.
- To function improperly due to an error, especially accompanied by error message.
- To show or contain an error or fault.
noun
- Sin; transgression.
- One or more mistakes in a trial that could be grounds for review of the judgement.
- Any alteration in the DNA chemical structure occurring during DNA replication, recombination or repairing.
- The state, quality, or condition of being wrong.
- A mistake; an accidental wrong action or a false statement not made deliberately.
- A failure to complete a task, usually involving a premature termination.
- A play which is scored as having been made incorrectly.
- The difference between a measured or calculated value and a true one.
adj
noun
- one of a pair
- the officer below the master on a commercial ship
- a fellow member of a team
- the partner of an animal (especially a sexual partner)
- a person's partner in marriage
- an exact duplicate
- South American holly; leaves used in making a drink like tea
- informal term for a friend of the same sex
- South American tea-like drink made from leaves of a South American holly called mate
- a chess move constituting an inescapable and indefensible attack on the opponent's king
verb
adj
adj
verb
- To split, part; to go away, depart.
- To separate, divide.
- To join, unite; to form links between (now especially of two places in different countries); to pair with.
- To be, or be like, a pair of twins (for example, to dress identically); to be paired or suited.
- To give birth to twins.
- To be, or be like, a twin to (someone else); to match in some way.
noun
- A twin size mattress or a bed designed for such a mattress.
- A room in a hotel, guesthouse, etc. with two beds; a twin room.
- A twin crystal.
- Either of two similar or closely related objects, entities etc.
- A two-engine aircraft.
- Either of two people (or, less commonly, animals) who shared the same uterus at the same time; one who was born at the same birth as a sibling.
adv
noun
- The narrow outermost ring on a dartboard.
- Twice the number, amount, size, etc.
- A ghostly apparition of a living person; a doppelgänger.
- A two-base hit.
- A strike in which the object ball is struck so as to make it rebound against the cushion to an opposite pocket.
- Playing the same part on two instruments, alternately.
- A sharp turn, especially a return on one's own tracks.
- Synonym of double-quick (“fast marching pace”)
- A bet on two horses in different races in which any winnings from the first race are placed on the horse in the later race.
- A double-precision floating-point number.
- A former French coin worth one-sixth of a sou.
- A call that increases certain scoring points if the last preceding bid becomes the contract.
- A double feast.
- A redundant item for which an identical item already exists.
- A tile that has the same value (i.e., the same number of pips) on both sides.
- A person who resembles and stands in for another person, often for safety purposes
- Two competitions, usually one league and one cup, won by the same team in a single season.
- A drink with two portions of alcohol.
- A hit on this ring.
- A boat for two scullers.
- The feat of scoring twice in one game.
- The feat of winning two events in a single meet or competition.
- A copper coin worth one-eighth of a penny.
adj
- Folded in two; composed of two layers.
- Having two aspects; ambiguous.
- False, deceitful, or hypocritical.
- Stooping; bent over.
- Of flowers, having more than the normal number of petals.
- Of twice the quantity.
- Of time, twice as fast.
- Made up of two matching or complementary elements.
- Of a family relationship, related on both the maternal and paternal sides of a family.
- Designed for two users.
- Of an instrument, sounding an octave lower.
verb
- To get a two-base hit.
- To act as substitute for (another theatrical performer in a certain role, etc).
- To serve a second role or have a second purpose.
- To turn sharply, following a winding course.
- To increase by 100%, to become twice as large in size.
- To fold over so as to make two folds.
- To operate as a double agent.
- To be the double of; to exceed by twofold; to contain or be worth twice as much as.
- (often followed by together or up) To join or couple.
- To be capable of performing (upon an additional instrument).
- To play (both one part and another, in the same play, etc).
- To double down.
- To multiply by two.
- (sometimes followed by up) To clench (a fist).
- To make a call that will double certain scoring points if the preceding bid becomes the contract.
- To transmit simultaneously on the same channel as another station, either unintentionally or deliberately, causing interference.
- To multiply the strength or effect of by two.
- To duplicate (a part) either in unison or at the octave above or below it.
- To unite, as ranks or files, so as to form one from each two.
- To repeat exactly; copy.
- To sail around (a headland or other point).
- To go or march at twice the normal speed.
- To cause (a ball) to rebound from a cushion before entering the pocket.
suffix
adj
adj
adj
- Numerically indivisible by two.
- About, approximately; somewhat more than (an approximated round number).
- Scattered; occasional, infrequent; not forming part of a set or pattern.
- Used or employed for odd jobs.
- Left over or remaining (as a small amount) after counting, payment, etc.
- Numbered with an odd number.
- Without a corresponding mate in a pair or set; unmatched; (of a pair or set) mismatched.
- Not regular or planned.
- Differing from what is usual, ordinary or expected.
- Left over, remaining after the rest have been paired or grouped.
- Peculiar, singular and strange in looks or character; eccentric, bizarre.
- On the left.
- Out of the way, secluded.
noun
verb
adj
English words for 'by ones and twos'
As you may have noticed, above you will find words for "by ones and twos". Hover the mouse over the word you'd like to know more about to view its definition. Click 
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to proceed in a logical manner
machismo
to inquire into
position at the imperial court in ancient China
to propagate
ultra-
block size
whiskers
to attain enlightenment
partly open
of unknown authorship
early Cretaceous
to air
DTE
mizuchi
HF
quantification
lookout platform
guar gum
fang
long talk
opposed to Zionism.
manjū
bilingual
unavoidable.
to dawdle
judgement.
period drama
a thief.
testicles.
lethal
covenant
selling price
chatty
sandpaper
stink bug
insular
overture
seedbed
widely distributed
many people
superabundance
guiding
unconscious
belt
sludge
to obstruct
broken
pointless
A city in Kansas