dys-
dare
defy
tall
mountain to climb
daunting
challengeful
nodus
test
provocate
overchallenge
testing
heckle
challengeable
toughness
formidability
megachallenge
run for one's money
superchallenge
lightning in a bottle
pain point
hard
mean
uphill
harder than Chinese math
murderous
hard as Chinese algebra
mountainous
fiendish
superdifficult
counterchallenge
torrid
rough
ambitious
mission impossible
stumblingblock
underchallenge
doo-doo
snorter
get out
glove
task
wrestle
scamblingly
challenge
Matterhorn
tough as nails
hard times
hard-set
problem
rigour
trouble
torfer
get into trouble
mountain
arduous
catch a cold
tough as teak
uneasy
hard as iron
hard going
un-come-at-able
rub along
un-get-at-able
ungetatable
skittish
clutch
difficult
hit
hurdlesome
obstacle-ridden
semihard
toil
resource
toughen
tough
rough sledding
bitch
pass
stab
try
deadpan
hard time
trying
throw down the gauntlet
formidable
brain-teaser
conundrum
difficultate
praemunire
trickiness
supertough
hard yards
go up against
enigma
riddle
tall
daunting
challengeful
testing
challengeable
mean
harder than Chinese math
murderous
hard as Chinese algebra
mountainous
fiendish
superdifficult
torrid
rough
ambitious
tough as nails
hard-set
arduous
tough as teak
uneasy
hard as iron
un-come-at-able
un-get-at-able
ungetatable
skittish
difficult
hurdlesome
obstacle-ridden
semihard
tough
deadpan
trying
formidable
supertough
hard
uphill
scamblingly
mountain to climb
nodus
overchallenge
toughness
formidability
megachallenge
run for one's money
superchallenge
lightning in a bottle
pain point
mission impossible
stumblingblock
underchallenge
doo-doo
snorter
glove
task
wrestle
hard times
problem
rigour
trouble
torfer
mountain
clutch
resource
challenge
rough sledding
bitch
pass
stab
try
hard time
brain-teaser
conundrum
praemunire
trickiness
hard yards
enigma
riddle
dare
defy
test
provocate
heckle
counterchallenge
get out
challenge
get into trouble
catch a cold
rub along
hit
toil
toughen
throw down the gauntlet
difficultate
go up against
verb
- To challenge.
- To examine or try, as by the use of some reagent.
- To administer or assign an examination, often given during the academic term, to (somebody).
- To place a product or piece of equipment under everyday and/or extreme conditions and examine it for its durability, etc.
- To refine (gold, silver, etc.) in a test or cupel; to subject to cupellation.
- To be shown to be by test.
- To put to the proof; to prove the truth, genuineness, or quality of by experiment, or by some principle or standard; to try.
noun
- A session in which a product, piece of equipment, or system is examined under everyday or extreme conditions to evaluate its durability, etc.
- An examination, given often during the academic term.
- A challenge, trial.
- A Test match.
- testosterone
- A cupel or cupelling hearth in which precious metals are melted for trial and refinement.
- Testa; seed coat.
- The external calciferous shell, or endoskeleton, of an echinoderm, e.g. sand dollars and sea urchins.
adv
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.
adj
- 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.
- Difficult or requiring a lot of effort to do, understand, experience, or deal with.
- 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.
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.
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.
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).
adj
adj
verb
adj
- Difficult; trying.
- Turbulent.
- Crude; unrefined.
- Approximate; hasty or careless; not finished.
- Violent; not careful or subtle.
- Not polished; uncut.
- Harsh-tasting.
- Somewhat ill; sick; in poor condition.
- Unwell due to alcohol; hungover.
- Loud and hoarse; offensive to the ear; harsh; grating.
- Worn; shabby; weather-beaten.
- Not smooth; uneven.
verb
- To render rough; to roughen.
- To break in (a horse, etc.), especially for military purposes.
- To create in an approximate form.
- To endure primitive conditions.
- To roughen a horse's shoes to keep the animal from slipping.
- To commit the offense of roughing, i.e. to punch another player.
noun
- A quick sketch, similar to a thumbnail but larger and more detailed, used for artistic brainstorming.
- A scuffed and roughened area of the pitch, where the bowler's feet fall, used as a target by spin bowlers because of its unpredictable bounce.
- The unmowed part of a golf course.
- The raw material from which faceted or cabochon gems are created.
- A rude fellow; a coarse bully; a rowdy.
- A piece inserted in a horseshoe to keep the animal from slipping.
adv
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
noun
verb
- To take part in a wrestling match with someone
- To move or lift something with difficulty
- To struggle or strive
- To fight.
- To throw a calf etc in order to brand it
- To contend, with an opponent, by grappling and attempting to throw, immobilize or otherwise defeat him, depending on the specific rules of the contest
verb
- To be difficult or challenging for.
- 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 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 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).
noun
noun
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.
adj
adj
noun
- A difficult maneuver
- The claw of a predatory animal or bird.
- An important or critical situation.
- A brood of chickens or a sitting of eggs.
- A device to interrupt power transmission, commonly used to separate the engine and gearbox in a car.
- A fastener that attaches to the back of a tack pin to secure an accessory to clothing. (See Clutch (pin fastener).)
- A small handbag or purse with no straps or handle.
- A group or bunch (of people or things).
- Any device for gripping an object, as at the end of a chain or tackle.
- A grip, especially one seen as rapacious or evil.
- The pedal in a car that disengages power and torque transmission from the engine (through the drivetrain) to the drive wheels.
verb
- To unexpectedly or luckily succeed in a difficult activity.
- To hatch.
- To seize, as though with claws.
- To grip or grasp tightly.
- To win in a 1vX (one versus X) situation.
adj
verb
- To encounter an obstacle or other difficulty.
- To inhale an amount of smoke from a narcotic substance, particularly marijuana.
- To come up to bat.
- To have sex with.
- To attack.
- To affect negatively.
- To strike against something.
- To kill a person, usually on the instructions of a third party.
- To attack, especially amphibiously.
- In blackjack, to deal a card to.
- to work out
- To manage to touch (a target) in the right place.
- To administer a blow to, directly or with a weapon or missile.
- To guess; to light upon or discover.
- To meet or reach what was aimed at or desired; to succeed, often by luck.
- To switch on.
- To affect someone, as if dealing a blow to that person.
- To reach or achieve.
- To use; to connect to.
- (of an exercise) to affect, to work a body part.
- To take up, or replace by a piece belonging to the opposing player; said of a single unprotected piece on a point.
- To briefly visit.
- To come into contact with forcefully and suddenly.
- To activate a button or key by pressing and releasing it.
adj
noun
- The hit was very slight.
- A measured visit to a web site, a request for a single file from a web server.
- A blow; a punch; a striking against; the collision of one body against another; the stroke that touches anything.
- A match found by searching a computer system or search engine
- An approximately correct answer in a test set.
- Something very successful, such as a song, film, or video game, that receives widespread recognition and acclaim.
- An attack on a location, person or people.
- The complete play, when the batter reaches base without the benefit of a walk, error, or fielder’s choice.
- A dose of an illegal or addictive drug.
- A premeditated murder done for criminal or political purposes.
- A move that throws one of the opponent's men back to the entering point.
- A collision of a projectile with the target.
- In the game of Battleship, a correct guess at where one's opponent ship is.
- A game won after the adversary has removed some of his men. It counts for less than a gammon.
pron
adj
noun
- A person's capacity to deal with difficulty.
- Something that one uses to achieve an objective, e.g. raw materials or personnel.
- Something that can be used to help achieve an aim, especially a book, equipment, etc. that provides information for teachers and students.
- Hardware or software accessible by a computer, network, or another object connected to a computer.
verb
noun
- An attempt.
- A single movement, especially of a hand, at, over, or along anything.
- Success in an examination or similar test.
- Permission or license to pass, or to go and come.
- An intentional walk.
- The area in a restaurant kitchen where the finished dishes are passed from the chefs to the waiting staff.
- A sexual advance.
- A run through a document as part of a translation, compilation or reformatting process.
- A document granting permission to pass or to go and come; a passport; a ticket permitting free transit or admission
- The act of moving the ball or puck from one player to another.
- A single passage of a tool over something, or of something over a tool.
- A passing of two trains in the same direction on a single track, when one is put into a siding to let the other overtake it.
- A channel connecting a river or body of water to the sea, for example at the mouth (delta) of a river.
- The act of overtaking; an overtaking manoeuvre.
- The state of things; condition; predicament; impasse.
- An opening, road, or track, available for passing; especially, one through or over some dangerous or otherwise impracticable barrier such as a mountain range; a passageway; a defile; a ford.
- A password (especially one for a restricted-access website).
- A thrust or push; an attempt to stab or strike an adversary.
- A thrust; a sally of wit.
- An act of declining to play one's turn in a game, often by saying the word "pass".
verb
- To cause to move or go; to send; to transfer from one person, place, or condition to another.
- To depart, to cease, to come to an end.
- To spend.
- To go from one person to another.
- To put through a sieve.
- To be tolerated as a substitute for something else, to "do".
- To reject; to pass up.
- To happen.
- In turn-based games, to decline to play in one's turn.
- To proceed without hindrance or opposition.
- To take a turn with (a line, gasket, etc.), as around a sail in furling, and make secure.
- To utter; to pronounce; to pledge.
- To die.
- To cause to obtain entrance, admission, or conveyance.
- In euchre, to decline to make the trump.
- To transcend; to surpass; to excel; to exceed.
- To put in circulation; to give currency to.
- To live through; to have experience of; to undergo; to suffer.
- To decline something that is offered or available.
- To move or be moved from one place to another.
- To change from one state to another (without the implication of progression).
- To continue.
- To elapse, to be spent.
- To progress from one state to another; to advance.
- To be conveyed or transferred by will, deed, or other instrument of conveyance.
- To cause to advance by stages of progress; to carry on with success through an ordeal, examination, or action; specifically, to give legal or official sanction to; to ratify; to enact; to approve as valid and just.
- To move (the ball or puck) to a teammate.
- To kick (the ball) with precision rather than at full force.
- To go by without noticing; to omit attention to; to take no note of; to disregard.
- To eliminate (something) from the body by natural processes.
- To be accepted by others as a member of a race, sex, or other group to which one does not belong or would not have originally appeared to belong; especially to be considered white although one has black ancestry, or a woman although one was assigned male at birth or vice versa.
- To make a lunge or swipe.
- To throw the ball, generally downfield, towards a teammate.
- To decline or not attempt to answer a question.
- To advance through all the steps or stages necessary to become valid or effective; to obtain the formal sanction of (a legislative body).
- To make a judgment on or upon a person or case.
- To achieve a successful outcome from.
- To go past, by, over, or through; to proceed from one side to the other of; to move past.
noun
- An attempt.
- The horizontal or vertical stabilizer of an aircraft.
- A wound made by stabbing.
- An act of stabbing or thrusting with an object.
- Pain inflicted on a person's feelings.
- Criticism.
- A single staccato chord that adds dramatic impact to a composition.
- A bacterial culture made by inoculating a solid medium, such as gelatin, with the puncture of a needle or wire.
verb
- To injure secretly or by malicious falsehood or slander.
- To pierce or to wound (somebody) with a (usually pointed) tool or weapon, especially a knife or dagger.
- To thrust in a stabbing motion.
- To roughen a brick wall with a pick so as to hold plaster.
- To cause a sharp, painful sensation (often used with at).
- To pierce folded sheets, near their back edges, for the passage of thread or wire.
- To recklessly hit with the tip of a (usually pointed) object, such as a weapon or finger (often used with at).
noun
- An attempt.
- A score in rugby league and rugby union, analogous to a touchdown in American football.
- A move that almost solves a chess problem, except that Black has a unique defense.
- An act of tasting or sampling.
- A field goal or extra point
verb
- To test someone's patience.
- To put on trial.
- To want
- To prove by experiment; to apply a test to, for the purpose of determining the quality; to examine; to prove; to test.
- To put to test.
- To attempt; to endeavour. Followed by infinitive.
- To lie to in heavy weather under just sufficient sail to head into the wind.
- To receive an imminent attack; to take.
- To attempt to determine (by experiment or effort).
- To work on something with one's best effort and focus.
- To settle; to decide; to determine; specifically, to decide by an appeal to arms.
- To attempt to conceive a child.
- To strain; to subject to excessive tests.
- To taste, sample, etc.
- To have or gain knowledge of by experience.
- To make an experiment. Usually followed by a present participle.
adj
adv
noun
verb
noun
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
English words for 'challenging'
As you may have noticed, above you will find words for "challenging". Hover the mouse over the word you'd like to know more about to view its definition. Click 
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aerodynamics
industrial complex
furry
revering
one act
to answer the phone
to swing.
humph
war of attrition
undershirt
turning over a new leaf
A precursor
defensive
blah blah blah
allspice
cabal
to be comprehensible
revenge.
one thousand with their eyes open
proliferating
to give way.
composed poem
old road
spread.
to neighbor (neighbour)
outstanding.
more or less regular.
tête-à-tête
first-class.
to complicate.
to happen upon
ready-made
scoring
cutting-edge
strong person
occlusion
mature woman
clarity.
to compete with
fading
A mess
to deduce
in case
manifesto
invisible.
conspicuous.
adaptation
notch
part
honest