three-pipe problem
knotty
poser
situation
tough nut to crack
hard nut to crack
brainteaser
stumper
mountain
crux
problematic
rub
task
pain point
curly
bitch
baroque
killer
wicked problem
square the circle
hydra
mean
skittish
hard time
doo-doo
bring off
praemunire
mission impossible
snag
hairy
snorter
embroiled
entangled
dilemma
boil the ocean
Matterhorn
tangled web
enmesh
superchallenge
Rube Goldberg machine
megachallenge
conundrum
bepuzzle
enigma
imponderable
shit
brain-teaser
intractable
complicated
riddle
unsimpable
booger
stumblingblock
snarl
involute
hard going
mountain to climb
pull teeth
fancy
convoluted
problem
trouble
ambitious
overcomplicated
supercomplicated
fix
crack
challenging
tricky
torfer
unpuzzle
laborious
questionable
up a gum tree
hard-set
torrid
sophisticated
overcomplicate
challenge
pig
escape fire
fuck
quantum mechanics
nutcracker
hard
glove
perplexed
black art
manifold
get out
involved
flounder
throw a wrench in
multichallenge
spinous
nodus
knotty
problematic
curly
baroque
mean
skittish
hairy
embroiled
entangled
imponderable
intractable
complicated
involute
fancy
convoluted
ambitious
overcomplicated
supercomplicated
challenging
tricky
unsimpable
laborious
questionable
hard-set
torrid
sophisticated
hard
perplexed
manifold
involved
multichallenge
spinous
three-pipe problem
poser
situation
tough nut to crack
hard nut to crack
brainteaser
stumper
mountain
crux
rub
task
pain point
bitch
killer
wicked problem
hydra
hard time
doo-doo
praemunire
mission impossible
snag
snorter
dilemma
tangled web
superchallenge
Rube Goldberg machine
megachallenge
conundrum
enigma
shit
brain-teaser
riddle
unsimpable
booger
stumblingblock
snarl
mountain to climb
problem
trouble
fix
torfer
challenge
pig
escape fire
quantum mechanics
nutcracker
glove
black art
nodus
square the circle
bring off
boil the ocean
enmesh
bepuzzle
pull teeth
crack
unpuzzle
overcomplicate
fuck
get out
flounder
throw a wrench in
noun
- A particularly difficult question or puzzle.
- Someone who, or something which, poses; a person who sets their body in a fixed position, such as for photography or painting.
- A poseur; someone who affects some behaviour, style, attitude or other condition, often to impress or influence others.
- Someone who asks a question or sets a problem.
noun
- A difficult task or challenge.
- An elevation of land of considerable dimensions rising more or less abruptly, forming a conspicuous figure in the landscape, usually having a small extent of surface at its summit.
- Something very large in size or quantity; a huge amount; a great heap.
- Wine from Malaga made from grapes that grow on a mountain.
- A woman's large breast.
- The twenty-first Lenormand card.
noun
- A difficulty or problem.
- A loan.
- An act of rubbing.
- In the game of crown green bowls, any obstacle by which a bowl is diverted from its normal course.
- Any substance designed to be applied by rubbing.
- A mixture of spices applied to meat before it is barbecued.
verb
- To scour; to burnish; to polish; to brighten; to cleanse; often with up or over.
- To hinder; to cross; to thwart.
- To move (one object) while maintaining contact with another object over some area, with pressure and friction.
- To touch the jack with the bowl.
- To be rubbed against something.
- To rub something against (a second thing).
- To spread a substance thinly over; to smear.
noun
- A difficult or confounding problem.
- An obviously gay man.
- Something unforgiving and unpleasant.
- A female dog or other canine, particularly a recent mother.
- A man considered weak, effeminate, timid or pathetic in some way
- A queen.
- Place; situation
- A complaint, especially when the complaint is unjustified.
- A woman.
- Friend.
- A despicable or disagreeable, aggressive person, usually a woman.
- A submissive person who does what others want; (prison slang) a man forced or coerced into a homoerotic relationship.
- A queen playing card, particularly the queen of spades in the card game of hearts.
verb
adj
- Overly and needlessly complicated.
- Embellished with figures and forms such that every level of relief gives way to more details and contrasts.
- Ornate, intricate, decorated, laden with detail.
- Chiseled from stone, or shaped from wood, in a garish, crooked, twisted, or slanted sort of way, grotesque.
- Complex and beautiful, despite an outward irregularity.
- Characteristic of Western art music of about the same period.
noun
noun
- A complex, multifarious problem or situation that cannot be solved easily and rapidly.
- Any of several small freshwater polyps of the genus Hydra and related genera, having a naked cylindrical body and an oral opening surrounded by tentacles.
- A dragon-like creature with many heads and the ability to regrow them when maimed.
adj
- Difficult, tricky.
- Intending to cause harm, successfully or otherwise; bearing ill will towards another.
- Low in quality or degree; inferior; poor; shabby.
- Having the mean (see noun below) as its value; average.
- Disobliging; pettily offensive or unaccommodating.
- Ungenerous; stingy; tight-fisted.
- Accomplished with great skill; deft; hard to compete with.
- Of a common or low origin, grade, or quality; common; humble.
- Of little value or worth; worthy of little or no regard; contemptible; despicable.
- Powerful; fierce; strong.
- Without dignity of mind; destitute of honour; low-minded; spiritless; base.
verb
- To be of some level of importance.
- To have as intentions of a given kind.
- To intend an ensuing comment or statement as an explanation.https://www.lexico.com/en/definition/i_mean%20I%20mean
- To cause or produce (a given result); to bring about (a given result).
- Of a word, symbol etc: to have reference to, to signify.
- To have conviction in (something said or expressed); to be sincere in (what one says).
- Of a person (or animal etc): to intend to express, to imply, to hint at, to allude.
- To intend (something) for a given purpose or fate; to predestine.
- To intend, to plan (to do); to have as one's intention.
- To lament.
- To convey (a given sense); to signify, or indicate (an object or idea).
noun
- The middle part of three-part polyphonic music; now specifically, the alto part in polyphonic music; an alto instrument.
- Something which is intermediate or in the middle; an intermediate value or range of values; a medium.
- The average of a set of values, calculated by summing them together and dividing by the number of terms; the arithmetic mean.
- Any function of multiple variables that satisfies certain properties and yields a number representative of its arguments; or, the number so yielded; a measure of central tendency.
- Either of the two numbers in the middle of a conventionally presented proportion, as 2 and 3 in 1:2=3:6.
- A method or course of action used to achieve some result.
noun
- A difficulty or predicament.
- Crime, offence, wrongdoing.
- Any of a number of criminal offences incurring similar penalties to the original offence of praemunire.
- The penalty for this offence.
- The offence in English law of bringing suit in or obeying a foreign (especially papal) court or authority, thus challenging the supremacy of the Crown. The offence was created by the Statute of Praemunire 1393 (16 Richard II, chapter 5), and abolished by the Criminal Law Act 1967 (chapter 58).
- The writ charging a person with this offence, the writ of praemunire facias.
verb
noun
- A problem or difficulty with something.
- A stump or base of a branch that has been lopped off; a short branch, or a sharp or rough branch.
- A sausage.
- A tooth projecting beyond the others; a broken or decayed tooth.
- A goal.
- A misnaged, an opponent to Chassidic Judaism (more likely modern, for cultural reasons).
- A dead tree that remains standing.
- A tree, or a branch of a tree, fixed in the bottom of a river or other navigable water, and rising nearly or quite to the surface, by which boats are sometimes pierced and sunk.
- Any sharp protuberant part of an object, which may catch, scratch, or tear other objects brought into contact with it.
- A pulled thread or yarn, as in cloth.
- One of the secondary branches of an antler.
verb
- To obtain or pick up.
- To damage or sink (a vessel) by collision; said of a tree or branch fixed to the bottom of a navigable body of water and partially submerged or rising to just beneath the surface.
- To cut the snags or branches from, as the stem of a tree; to hew roughly.
- To fish by means of dragging a large hook or hooks on a line, intending to impale the body (rather than the mouth) of the target.
- To catch or tear (e.g. fabric) upon a rough surface or projection.
noun
- A difficult circumstance or problem.
- A type of syllogism of the form "if A is true then B is true; if C is true then D is true; either A or C is true; therefore either B or D is true".
- A circumstance in which a choice must be made between two or more alternatives that seem equally undesirable.
- Offering to an opponent a choice between two (equally unfavorable) alternatives.
noun
noun
- A problem or difficult situation.
- Stuff, things.
- Solid excretory product evacuated from the bowels; feces.
- The act of shitting.
- Rubbish; worthless matter.
- Anything exceptional or remarkable.
- (in negations) Anything.
- Nonsense; bullshit.
- The smallest amount of concern or consideration.
- A strong rebuke.
- Any recreational drug (e.g. cannabis, heroin, etc.).
- A nasty, despicable person, used particularly of men.
- (the shit) The best of its kind.
adj
intj
- Used for mere emphasis; heck, hey.
- Used to show displeasure or surprise.
- Expression of worry, failure, shock, etc., often at something seen for the first time or remembered immediately before using this term.
verb
noun
- An intricate complication; a problematic difficulty; a knotty or tangled situation.
- A slow-moving traffic jam.
- A squabble.
- A knot or complication of hair, thread, or the like, difficult to disentangle.
- A growl, for example that of an angry or surly dog, or similar; grumbling sounds.
- The act of snarling; a growl; a surly or peevish expression; an angry contention.
verb
- To be congested in traffic, or to make traffic congested.
- To speak crossly; to talk in rude, surly terms.
- To growl angrily by gnashing or baring the teeth; to gnarl; to utter grumbling sounds.
- To become entangled.
- To entangle; to complicate; to involve in knots.
- To place in an embarrassing situation; to ensnare; to make overly complicated.
- To form raised work upon the outer surface of (thin metal ware) by the repercussion of a snarling iron upon the inner surface.
- To complain angrily; to utter growlingly.
adj
- Difficult to understand; complicated.
- Turned inward at the margin, like the exterior lip of the shells of species in genus Cypraea.
- Having a complex pattern of coils in which younger whorls only partly surround older ones.
- Rolled inward spirally.
- Having the edges rolled with the adaxial side outward.
noun
verb
adj
- Unnecessarily complicated.
- Of a superior grade.
- Executed with skill.
- Decorative, or featuring decorations, especially intricate or diverse ones.
adv
noun
- A diamond with a distinctive colour.
- The object of inclination or liking.
- In the game of jacks, a style of play involving additional actions (contrasted with plainsies).
- A whim.
- The imagination.
- A bite-sized sponge cake, with a layer of cream, covered in icing.
- Love or amorous attachment.
- The enthusiasts of such a pursuit.
- That which pleases or entertains the taste or caprice without much use or value.
- Any sport or hobby pursued by a group.
- An image or representation of anything formed in the mind.
- An opinion or notion formed without much reflection.
verb
noun
- A difficult situation; a quandary or dilemma; a predicament.
- fettlings (mixture used to line a furnace)
- A prearrangement of the outcome of a supposedly competitive process, such as a sporting event, a game, an election, a trial, or a bid.
- A repair or corrective action.
- A determination of location.
- A single dose of an addictive drug administered to a drug user.
verb
- To focus or determine (oneself, on a concept); to fixate.
- To make (a contest, vote, or gamble) unfair; to privilege one contestant or a particular group of contestants, usually before the contest begins; to arrange immunity for defendants by tampering with the justice system via bribery or extortion.
- To attach; to affix; to hold in place or at a particular time.
- To surgically render an animal, especially a pet, infertile.
- To render (a photographic impression) permanent by treating with such applications as will make it insensitive to the action of light.
- To become fixed; to settle or remain permanently; to cease from wandering; to rest.
- To take revenge on, to best; to serve justice on an assumed miscreant.
- To convert into a stable or available form.
- To become firm, so as to resist volatilization; to cease to flow or be fluid; to congeal; to become hard and malleable, as a metallic substance.
- To prevent enemy pawns from advancing by directly opposing the most advanced one with one of one's own pawns so as to threaten to capture any advancing backward pawns.
- To mend, to repair.
- To prepare (food or drink).
- To map a (point or subset) to itself.
verb
- To solve a difficult problem.
- To change rapidly in register.
- To become debilitated by psychological pressure.
- To form cracks.
- To make a cracking sound.
- To break open or crush to small pieces by impact or stress.
- To make a crack or cracks in.
- To make a sharply humorous comment.
- To open slightly.
- To overcome a security system or component.
- To break down (a complex molecule), especially with the application of heat: to pyrolyse.
- To break apart under force, stress, or pressure.
- To alternate between high and low register in the process of eventually lowering.
- To strike forcefully.
- To cause to yield under interrogation or other pressure.
- To circumvent software restrictions such as regional coding or time limits.
- To tell (a joke).
- To break down or yield, especially under interrogation or torture.
- To cause to make a sharp sound.
- To realize that one is transgender.
- To barely reach, attain to (a measurement, extent).
- To open a canned beverage, or any packaged drink or food.
noun
- An attempt at something.
- A sharp, resounding blow.
- The tone of voice when changed at puberty.
- A program or procedure designed to circumvent restrictions or usage limits on software.
- Vagina.
- The space between the buttocks.
- A narrow opening.
- Any sharp sound.
- A thin and usually jagged space opened in a previously solid material.
- A sharply humorous comment; a wisecrack.
- a meaningful chat.
- Something good-tasting or habit-forming.
- Extremely silly, absurd or off-the-wall ideas or prose.
- Conviviality; fun; good conversation, chat, gossip, or humorous storytelling; good company.
- The sharp sound made when solid material breaks.
- Business; events; news.
- Crack cocaine, a potent, relatively cheap, addictive variety of cocaine; often a rock, usually smoked through a crack-pipe.
adj
noun
prep_phrase
noun
- A difficult task, especially one that the person making the attempt finds more enjoyable because of that difficulty.
- The act of appealing a ruling or decision of a court of administrative agency.
- An antagonization or instigation intended to convince a person to perform an action they otherwise would not.
- A bid to overcome something.
- The act of seeking to remove a judge, arbitrator, or other judicial or semi-judicial figure for reasons of alleged bias or incapacity.
- An act of seeking to have a certain person be declared not legally qualified to vote, made when the person offers their ballot.
- The act of a sentry in halting a person and demanding the countersign, or (by extension) the action of a computer system demanding a password, etc.
- A summons to fight a duel; also, the letter or message conveying the summons.
- An attempt to take possession; a tackle.
- An attempt to have a work of literature restricted or removed from a public library or school curriculum.
- The opening and crying of hounds upon first finding the scent of their game.
- A judge's interest in the result of a case, constituting grounds for them to not be allowed to sit the case (e.g., a conflict of interest).
verb
- To question or demand the countersign from (one who attempts to pass the lines).
- To dare (someone).
- To invite (someone) to take part in a competition.
- To be difficult or challenging for.
- To call something into question or dispute.
- To object to the reception of the vote of, e.g. on the ground that the person is not qualified as a voter.
- To take (a final exam) in order to get credit for a course without taking it.
- To make a formal objection to a juror.
- To dispute (something).
noun
- A difficult problem.
- Any of several mammalian species of the genus Sus, having cloven hooves, bristles and a nose adapted for digging; especially the domesticated animal Sus domesticus.
- A light pinkish-red colour, like that of a pig (also called pig pink).
- A lead container used for radioactive waste.
- A young swine, a piglet (contrasted with a hog, an adult swine).
- A simple dice game in which players roll the dice as many times as they like, either accumulating a greater score or losing previous points gained.
- The general-purpose M60 machine gun, considered to be heavy and bulky.
- Someone who overeats or eats rapidly and noisily.
- The edible meat of such an animal; pork.
- A dirty or slovenly person.
- A police officer.
- A lecherous or sexist man.
- The mold in which a block of metal is cast.
- A device for cleaning or inspecting the inside of an oil or gas pipeline, or for separating different substances within the pipeline. Named for the pig-like squealing noise made by their progress.
- A very obese person.
- An earthenware hot-water jar to warm a bed; a stone bed warmer
- A block of cast metal.
- earthenware, or an earthenware shard
verb
verb
- To put in an extremely difficult or impossible situation.
- To insert one's penis, a dildo, or other object, into a person or a specified orifice or cleft sexually; to penetrate.
- To have sexual intercourse; to copulate.
- To defraud, deface, or otherwise treat badly.
- Used in a phrasal verb: fuck with (“to play with, to tinker”).
- To be very good, to rule, go hard.
- Used to express great displeasure with, or contemptuous dismissal of, someone or something.
- To have sexual intercourse with.
- To break, to destroy.
- To make a joke at one's expense; to make fun of in an embarrassing manner.
- To throw, to lob something. (angrily)
- To scold.
intj
- Expressing surprise.
- Expressing dismay or discontent.
- A semi-voluntary vocalization in place of a gasp.
noun
- The smallest amount of concern or consideration.
- A sexual partner, especially a casual one.
- A highly contemptible person.
- An act of sexual intercourse.
particle
adv
adj
- Difficult or requiring a lot of effort to do, understand, experience, or deal with.
- In a physical form, not digital.
- Having a high energy (high frequency; short wavelength).
- Of silk: not having had the natural gum boiled off.
- Having a comparatively larger or a ninety-degree angle.
- Containing alcohol.
- Having disagreeable and abrupt contrasts in colour or shading.
- Made up of parallel rays, producing clearly defined shadows.
- Strong.
- Sexually aroused; having an erect penis.
- Severe, harsh, unfriendly, brutal.
- Unquestionable, unequivocal.
- Rigid in the drawing or distribution of the figures; formal; lacking grace of composition.
- Tough and muscular.
- High in dissolved chemical salts, especially those of calcium.
- Having the capability of being a permanent magnet by being a material with high magnetic coercivity (compare soft).
- Demanding a lot of effort to endure.
- Far, extreme.
- Velarized or plain, rather than palatalized.
- Of a market: having more demand than supply; being a seller's market.
- Using a manual or physical process, not by means of a software command.
- Hardened; having unusually strong defences.
- Having muscles that are tightened as a result of intense, regular exercise.
- Resistant to pressure.
- hardcore
- Plosive.
- Unvoiced.
noun
- Crack cocaine.
- A tyre whose compound is softer than superhards, and harder than mediums.
- Hard labor.
- A firm or paved beach or slope convenient for hauling vessels out of the water.
adv
adj
- Complicated.
- Many in number, numerous; multiple, multiplied.
- Various in kind or quality; diverse.
- Exhibited at diverse times or in various ways.
adv
verb
noun
- A copy made by the manifold writing process.
- A pipe fitting or similar device that connects multiple inputs or outputs.
- The third stomach of a ruminant animal, an omasum.
- A polygon mesh representing the continuous, closed surface of a solid object
- A topological space that looks locally like the "ordinary" Euclidean space ℝⁿ and is Hausdorff.
verb
- To say with difficulty.
- To become known.
- To leave a vehicle such as a car. (Note: for public transport, get off is more common.)
- To help (someone) leave.
- To spend free time out of the house.
- To remove or eliminate (dirt or stains).
- To come out of a situation; to escape a fate.
- To publish or make available; to disseminate.
- To take (something) from its container or storage place, so as to use or display it.
- To be released, especially from hospital or prison.
- To remove one's money from an investment; to end an investment.
- To leave or escape.
intj
English words for 'A particularly complex or challenging problem or puzzle.'
As you may have noticed, above you will find words for "A particularly complex or challenging problem or puzzle.". Hover the mouse over the word you'd like to know more about to view its definition. Click 
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