challenging
ambitious
hard as iron
task
mountainous
superdifficult
murderous
harder than Chinese math
fiendish
hard as Chinese algebra
killer
rough
big
difficulty
snorter
tough as nails
dys-
mean
skittish
semihard
hard going
make hard work of
testing
problematic
enigma
scamblingly
unrealizable
undoable
riddle
conundrum
unattainable
brain-teaser
flounder
unachievable
torfer
pig
choosy
uneasy
hardish
choosey
difficultate
square the circle
diff
fuck
overhard
mountain to climb
taxing
overtedious
semitough
doo-doo
difficult
toughish
Matterhorn
overchallenge
tiresomely
tough as teak
trying
tediously
boringly
induration
hack
shlep
soul-sucking
brainteaser
schlep
heavy lifting
hard nut to crack
torrid
for one's life
laborious
impossible
tough nut to crack
un-get-at-able
scabrous
ungetatable
bitch
grind
lightning in a bottle
inextricable
trance
un-come-at-able
longsome
recalcitrant
nodus
hustle
crack
mountain
hard time
stumblingblock
trouble
pull teeth
toughly
daunting
hard sledding
take pains
be at pains
get out
challenging
ambitious
hard as iron
mountainous
superdifficult
murderous
harder than Chinese math
fiendish
hard as Chinese algebra
rough
tough as nails
mean
skittish
semihard
testing
problematic
unrealizable
undoable
unattainable
unachievable
choosy
uneasy
hardish
choosey
overhard
taxing
overtedious
semitough
difficult
toughish
tough as teak
trying
soul-sucking
torrid
laborious
impossible
un-get-at-able
scabrous
ungetatable
inextricable
un-come-at-able
longsome
recalcitrant
daunting
big
scamblingly
tiresomely
tediously
boringly
toughly
task
killer
difficulty
snorter
enigma
riddle
conundrum
brain-teaser
torfer
pig
diff
mountain to climb
doo-doo
overchallenge
induration
shlep
brainteaser
schlep
heavy lifting
hard nut to crack
tough nut to crack
bitch
grind
lightning in a bottle
trance
nodus
mountain
hard time
stumblingblock
hard sledding
make hard work of
flounder
difficultate
square the circle
fuck
hack
hustle
crack
trouble
pull teeth
take pains
be at pains
get out
adj
adj
adj
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
adv
- Hard.
- In a large amount or to a large extent.
- On a large scale, expansively.
- You've got to think big to succeed at Amalgamated Plumbing.
- In a boasting manner.
- In a loud manner.
noun
- The participant in ageplay who acts out the older role.
- An important or powerful person; a celebrity; a big name.
- A initiated member of a sorority who acts as a mentor to a new member (the little).
- One or more kinds of barley, especially six-rowed barley.
- The big leagues, big time.
adj
- Important or significant.
- Mature, conscientious, principled; generous.
- Popular.
- Large with young; pregnant; swelling; ready to give birth or produce.
- Enthusiastic (about).
- Fat.
- Adult; (of a child) older.
- Populous.
- Used as an intensifier, especially of negative-valence nouns
- Of great size, large.
- Operating on a large scale, especially if therefore having undue or sinister influence.
- Well-endowed, possessing large breasts in the case of a woman or a large penis in the case of a man.
- Old, mature. Used to imply that somebody is too old for something, or acting immaturely.
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.
adj
noun
noun
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
noun
- A difficult route.
- Any program which compares two files or sets of files and outputs a description of the differences between them.
- The output of a diff program, a diff file.
verb
- To compare two files or other objects, manually or otherwise.
- To run a diff program on (files or items) so as to produce a description of the differences between them, as for a patch file.
name
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
adj
adj
adj
noun
- Process of becoming hard.
- Hardness.
- The quality of non-friability; the extent to which a rock does not crumble; rock strength.
- The process of the strengthening of rocks by heating, compaction or cementation, or a combination thereof.
- An area or part of the body that has undergone such a reaction. Most often this term is used to describe dermatologic findings.
- Hardening of an area of the body as a reaction to inflammation, hyperemia, or neoplastic infiltration.
verb
- To accomplish a difficult programming task.
- To ride a horse at a regular pace; to ride on a road (as opposed to riding cross-country etc.).
- To use as a hack; to let out for hire.
- To chop or cut down in a rough manner.
- To kick (a player) on the shins.
- To swing at a pitched ball.
- To use frequently and indiscriminately, so as to render trite and commonplace.
- To cheat by using unauthorized modifications.
- To work with something on an intimately technical level.
- To strike an opponent with one's hockey stick, typically on the leg but occasionally and more seriously on the back, arm, head, etc.
- To hack into; to gain unauthorized access to (a computer system, e.g., a website, or network) by manipulating code.
- To make a flailing attempt to hit the puck with a hockey stick.
- To withstand or put up with a difficult situation.
- To gain unauthorised access to a computer or online account belonging to (a person or organisation).
- To strike in a frantic movement.
- To play hackeysack.
- To lay (bricks) on a rack to dry.
- To drive a hackney cab.
- To apply a trick, shortcut, skill, or novelty method to something to increase productivity, efficiency or ease.
- To keep (young hawks) in a state of partial freedom, before they are trained.
- To cough noisily.
- To make a quick code change to patch a computer program, often one that, while being effective, is inelegant or makes the program harder to maintain.
- To strike lightly as part of tapotement massage.
noun
- A person who frequently canvasses for votes, either directly or by appearing to continuously act with the ulterior motive of furthering their political career.
- An expedient, temporary solution, such as a small patch or change to code, meant to be replaced with a more elegant solution at a later date; a workaround.
- A try, an attempt.
- The foothold traditionally cut into the ice from which the person who throws the rock pushes off for delivery.
- A trick, shortcut, skill, or novelty method to increase productivity, efficiency, or ease.
- A video game or any computer software that has been altered from its original state.
- A hacking blow.
- An improvised device or solution to a problem.
- A hacking; a catch in speaking; a short, broken cough.
- A taxicab (hackney cab) driver.
- A hearse.
- A small ball usually made of woven cotton or suede and filled with rice, sand or some other filler, for use in hackeysack.
- A dry cough.
- A vehicle let for hire; originally, a hackney coach, now typically a taxicab.
- A kick on the shins in football of any type.
- A tool for chopping.
- A horse for hire, especially one which is old and tired.
- The act of striking an opponent with one's hockey stick, typically on the leg but occasionally and more seriously on the back, arm, head, etc.
- A board which the falcon's food is placed on; used by extension for the state of partial freedom in which they are kept before being trained.
- A gouge or notch made by such a blow.
- Time check, as for example upon synchronization of wristwatches.
- A computer programmer who makes quick but inelegant changes to computer code to solve problems or add features.
- A computer programmer, particularly a veteran or someone not immediately expected to be capable of programming.
- A swing of the bat at a pitched ball by the batter, particularly a choppy, ungraceful one that misses the ball such as at a fastball.
- One who is professionally successful despite producing mediocre work. (Usually applied to persons in a creative field.)
- A talented writer-for-hire, paid to put others' thoughts into felicitous language.
- An interesting technical achievement, particularly in computer programming.
- A food-rack for cattle.
- Someone who is available for hire; hireling, mercenary.
- An untalented writer.
- A rack used to dry something, such as bricks, fish, or cheese.
- An airplane of poor quality or in poor condition.
- An illegal attempt to gain access to a computer network.
- A grating in a mill race.
- Confinement of an officer to their stateroom as a punishment.
- A person, often a journalist, hired to do routine work.
- A political agitator.
noun
prep_phrase
noun
- A tedious and laborious task.
- The act of reducing to powder, or of sharpening, by friction.
- A traditional communal pilot whale hunt in the Faroe Islands.
- A specific degree of pulverization of coffee beans.
- Something that has been reduced to powder, something that has been ground.
- A grinding trick on a skateboard or snowboard.
- Hustle; hard work.
verb
- To instill through repetitive teaching.
- To oppress, hold down or weaken.
- To produce mechanically and repetitively as if by turning a crank.
- To become ground, pulverized, or polished by friction.
- To move with much difficulty or friction; to grate.
- To remove material by rubbing with an abrasive surface.
- To repeat a task a large number of times in a row to achieve a specific goal.
- To operate by turning a crank.
- To shape with the force of friction.
- To rotate the hips erotically.
- To reduce to smaller pieces by crushing with lateral motion.
- To annoy or irritate (a person); to grind one's gears.
- To eat.
- To slide the flat portion of a skateboard or snowboard across an obstacle such as a railing.
- To dance in a sexually suggestive way with both partners in very close proximity, often pressed against each other.
- To work or study hard; to hustle or drudge.
noun
- A tedious journey.
- A dazed or unconscious condition.
- A state of awareness, concentration, or focus that filters experience and information (for example, a state of meditation or possession by some being).
- A state of low response to stimulus and diminished, narrow attention; particularly one induced by hypnosis.
verb
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
- 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.
verb
- To take pains to do something.
- In weaker sense: to bother or inconvenience.
- To mentally distress; to cause (someone) to be anxious or perplexed.
- To worry; to be anxious.
noun
- A difficulty, problem, condition, or action contributing to such a situation.
- A fault or interruption in a stratum.
- A malfunction.
- A violent occurrence or event.
- Efforts taken or expended, typically beyond the normal required.
- Liability to punishment; conflict with authority.
- Wife. Clipping of trouble and strife.
- A distressing or dangerous situation.
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 'hard to do'
As you may have noticed, above you will find words for "hard to do". Hover the mouse over the word you'd like to know more about to view its definition. Click 
to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.
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recruitment.
big shot
destiny.
clear-cut
quantum mechanics
cliché
suntan lotion
outlying island
form class
glutamic acid
to feel awkward
duncelike.
necrophilia
restoration of imperial rule
to this degree
tahini
to coerce.
allowable error
medical book
understandably
merciful
nod
north
Japanese brown frog (Rana japonica)
to pair up
cochineal
to prorate
act of God
a howl.
shortly thereafter
sabre
a chatterbox.
commendation
to fart.
shapeless
prognosis
named for Mount Vernon.
soybean
bow-wow
graver
convert
ledger
coldness
to get to
starving
slow-witted
pivot
oops
document
conception