crack

Listen:
 [ˈkræk]



WordReference Random House Learner's Dictionary of American English © 2019
crack /kræk/USA pronunciation   v. 
  1. to break without separation of parts;
    (cause to) become marked by lines that indicate a break: [no object]The window cracked when a rock hit it.[+ object]The rock cracked the glass.
  2. to break open or into many parts: [+ object]cracked an egg into the bowl.[no object]The egg cracked when it hit the floor.
  3. to break with a sudden, sharp sound: [no object]The wood in the fireplace cracked suddenly.[+ object]I cracked a few pieces of wood and added them to the fire.
  4. to (cause to) make a sudden, sharp sound;
    snap: [no object]The whip cracked and the lions roared.[+ object]I cracked my knuckles nervously.
  5. (of the voice) to break abruptly;
    change to the wrong pitch:[no object]The tenor's voice cracked on that high note.
  6. to break down, esp. under severe psychological pressure:[no object]He finally cracked from all the stress.
  7. to strike forcefully: [no object]His head cracked against the mantelpiece.[+ object]She cracked his head with the vase.
  8. to solve or reveal, esp. after much effort:[+ object]to crack a murder case.
  9. Informal Terms Informal. to break into (a safe, etc.):[+ object]tried to crack the safe but couldn't.
  10. Informal Terms[+ object] Informal.
    • to open slightly, such as a door or window:Crack the windows and let's get some fresh air.
    • to open (a book) in order to study or read:It was a little late to be cracking the books.
  11. crack down, to take severe measures, esp. in enforcing regulations: [no object]tried to crack down, but by then things had gotten out of control.[+ down + on + object]a campaign to crack down on drug pushers.
  12. crack up, Informal.
    • [no object] to suffer a mental breakdown:He cracked up when his wife left him.
    • to (cause to) crash (an automobile or airplane): [no object]The car spun out of control and cracked up.[+ up + object]cracked up his father's brand-new car.[+ object + up]He cracked the car up the first time he drove it.
    • to (cause to) laugh hard without being able to stop: [no object]He cracked up at the sight of her in those old frumpy pajamas.[+ up + object]That joke cracked up the audience.[+ object + up]That joke cracked him up.

n. 
  1. a break without separation of parts:[countable]a few cracks on the windshield.
  2. Building a slight opening, as between boards in a floor:[countable]We plastered the cracks in the wall.
  3. a sudden, sharp noise:[countable]The crack of a rifle shot rang out.
  4. [countable] the snap of or as of a whip.
  5. a heavy or strong blow:[countable]a crack to the jaw.
  6. Informal Terms a sharp or funny remark:[countable]"Another crack like that and you'll be out of here,'' the umpire yelled.
  7. a break in the tone of the voice:[countable]answered with a small crack in her voice.
  8. Informal Terms[countable] a chance;
    try: I'd like a crack at that.
  9. Drugs[uncountable] highly addictive, purified cocaine in the form of pellets for smoking.

adj. [before a noun]
  1. skillful;
    excellent;
    of high quality:a crack shot.
Idioms
  1. crack a smile, Informal. to smile, esp. hesitantly.
  2. Idiomsget cracking, [no object] to get moving;
    hurry up: We're late—let's get cracking.


WordReference Random House Unabridged Dictionary of American English © 2019
crack  (krak),USA pronunciation v.i. 
  1. to break without complete separation of parts;
    become fissured:The plate cracked when I dropped it, but it was still usable.
  2. to break with a sudden, sharp sound:The branch cracked under the weight of the snow.
  3. to make a sudden, sharp sound in or as if in breaking;
    snap:The whip cracked.
  4. (of the voice) to break abruptly and discordantly, esp. into an upper register, as because of weariness or emotion.
  5. to fail;
    give way:His confidence cracked under the strain.
  6. to succumb or break down, esp. under severe psychological pressure, torture, or the like:They questioned him steadily for 24 hours before he finally cracked.
  7. Chemistryto decompose as a result of being subjected to heat.
  8. Dialect Terms[Chiefly South Midland and Southern U.S.]to brag;
    boast.
  9. Scottish Terms[Chiefly Scot.]to chat;
    gossip.

v.t. 
  1. to cause to make a sudden sharp sound:The driver cracked the whip.
  2. to break without complete separation of parts;
    break into fissures.
  3. to break with a sudden, sharp sound:to crack walnuts.
  4. to strike and thereby make a sharp noise:The boxer cracked his opponent on the jaw.
  5. to induce or cause to be stricken with sorrow or emotion;
    affect deeply.
  6. to utter or tell:to crack jokes.
  7. to cause to make a cracking sound:to crack one's knuckles.
  8. to damage, weaken, etc.:The new evidence against him cracked his composure.
  9. to make mentally unsound.
  10. to make (the voice) harsh or unmanageable.
  11. to solve;
    decipher:to crack a murder case.
  12. Informal Termsto break into (a safe, vault, etc.).
  13. Chemistryto subject to the process of cracking, as in the distillation of petroleum.
  14. Informal Termsto open and drink (a bottle of wine, liquor, beer, etc.).
  15. crack a book, [Informal.]to open a book in order to study or read:He hardly ever cracked a book.
  16. crack a smile, [Informal.]to smile.
  17. crack down, to take severe or stern measures, esp. in enforcing obedience to laws or regulations:The police are starting to crack down on local drug dealers.
  18. crack off, to cause (a piece of hot glass) to fall from a blowpipe or punty.
  19. crack on, [Naut.]
    • Naval Terms(of a sailing vessel) to sail in high winds under sails that would normally be furled.
    • Naval Terms(of a power vessel) to advance at full speed in heavy weather.
  20. crack up, [Informal.]
    • to suffer a mental or emotional breakdown.
    • to crash, as in an automobile or airplane:He skidded into the telephone pole and cracked up.
    • to wreck an automobile, airplane, or other vehicle.
    • to laugh or to cause to laugh unrestrainedly:That story about the revolving door really cracked me up. Ed cracked up, too, when he heard it.
  21. crack wise, [Slang.]to wisecrack:We tried to be serious, but he was always cracking wise.
  22. get cracking, [Informal.]
    • to begin moving or working;
      start:Let's get cracking on these dirty dishes!
    • to work or move more quickly.

n. 
  1. a break without complete separation of parts;
    fissure.
  2. Buildinga slight opening, as between boards in a floor or wall, or between a door and its doorpost.
  3. a sudden, sharp noise, as of something breaking.
  4. the snap of or as of a whip.
  5. a resounding blow:He received a terrific crack on the head when the branch fell.
  6. Informal Termsa witty or cutting remark;
    wisecrack.
  7. a break or change in the flow or tone of the voice.
  8. Informal Termsopportunity;
    chance;
    try:Give him first crack at the new job.
  9. a flaw or defect.
  10. Drugs, Slang TermsAlso called  rock. [Slang.]pellet-size pieces of highly purified cocaine, prepared with other ingredients for smoking, and known to be especially potent and addicting.
  11. Agriculture, Building[Masonry.]check1 (def. 46).
  12. a mental defect or deficiency.
  13. a shot, as with a rifle:At the first crack, the deer fell.
  14. a moment;
    instant:He was on his feet again in a crack.
  15. Slang Termsa burglary, esp. an instance of housebreaking.
  16. British Terms[Chiefly Brit.]a person or thing that excels in some respect.
  17. Slang Terms(vulgar). the vulva.
  18. Scottish Terms[Chiefly Scot.]conversation;
    chat.
  19. British Termsboasting;
    braggadocio.
  20. [Archaic.]a burglar.
  21. Idiomsfall through the cracks, to be overlooked, missed, or neglected:In any inspection process some defective materials will fall through the cracks.Also,  slip between the cracks. 

adj. 
  1. first-rate;
    excellent:a crack shot.

adv. 
  1. with a cracking sound.
cracka•ble, adj. 
crackless, adj. 
  • bef. 1000; Middle English crak(k)en (verb, verbal), crak (noun, nominal), Old English cracian to resound; akin to German krachen, Dutch kraken (verb, verbal), and German Krach, Dutch krak (noun, nominal)


Collins Concise English Dictionary © HarperCollins Publishers::

crack /kræk/ vb
  1. to break or cause to break without complete separation of the parts: the vase was cracked but unbroken
  2. to break or cause to break with a sudden sharp sound; snap: to crack a nut
  3. to make or cause to make a sudden sharp sound: to crack a whip
  4. to cause (the voice) to change tone or become harsh or (of the voice) to change tone, esp to a higher register; break
  5. informal to fail or cause to fail
  6. to yield or cause to yield: to crack under torture
  7. (transitive) to hit with a forceful or resounding blow
  8. (transitive) to break into or force open: to crack a safe
  9. (transitive) to solve or decipher (a code, problem, etc)
  10. (transitive) informal to tell (a joke, etc)
  11. to break (a molecule) into smaller molecules or radicals by the action of heat, as in the distillation of petroleum
  12. (transitive) to open (esp a bottle) for drinking: let's crack another bottle
  13. (intransitive) Scot Northern English dialect to chat; gossip
  14. (transitive) informal to achieve (esp in the phrase crack it)
  15. (transitive) Austral informal to find or catch: to crack a wave in surfing
  16. crack a smileinformal to break into a smile
  17. crack hardy, crack heartyAustral NZ informal to disguise one's discomfort, etc; put on a bold front
  18. crack the whipinformal to assert one's authority, esp to put people under pressure to work harder
n
  1. a sudden sharp noise
  2. a break or fracture without complete separation of the two parts: a crack in the window
  3. a narrow opening or fissure
  4. informal a resounding blow
  5. a physical or mental defect; flaw
  6. a moment or specific instant: the crack of day
  7. a broken or cracked tone of voice, as a boy's during puberty
  8. (often followed by at) informal an attempt; opportunity to try: he had a crack at the problem
  9. slang a gibe; wisecrack; joke
  10. slang a person that excels
  11. Scot Northern English dialect a talk; chat
  12. slang a processed form of cocaine hydrochloride used as a stimulant. It is highly addictive

  13. Also: craic informal chiefly Irish fun; informal entertainment: the crack was great in here last night
  14. obsolete slang a burglar or burglary
  15. crack of dawnthe very instant that the sun rises
  16. very early in the morning
  17. a fair crack of the whipinformal a fair chance or opportunity
  18. crack of doomdoomsday; the end of the world; the Day of Judgment
adj
  1. (prenominal) slang first-class; excellent: a crack shot

See also crack down, crack on, crack upEtymology: Old English cracian; related to Old High German krahhōn, Dutch kraken, Sanskrit gárjati he roars



'crack' also found in these entries:
Advertisements

Word of the day: price | somehow

Advertisements

Report an inappropriate ad.