Definition of Crack

1. Noun. A long narrow opening.

Exact synonyms: Cleft, Crevice, Fissure, Scissure
Specialized synonyms: Chap, Chink, Crevasse, Fatigue Crack, Break, Fault, Faulting, Fracture, Geological Fault, Shift, Rift, Slit, Split, Vent, Volcano
Generic synonyms: Gap, Opening
Derivative terms: Fissure

2. Verb. Become fractured; break or crack on the surface only. "These glasses crack easily"; "The glass cracked when it was heated"
Exact synonyms: Break, Check
Generic synonyms: Change
Related verbs: Check, Chink
Derivative terms: Break, Breakable, Check

3. Adjective. Of the highest quality. "She is absolutely tops"
Exact synonyms: A-one, Ace, First-rate, Super, Tiptop, Top-notch, Topnotch, Tops
Language type: Colloquialism
Similar to: Superior

4. Noun. A narrow opening. "He opened the window a crack"
Exact synonyms: Gap
Specialized synonyms: Blank, Lacuna, Spark Gap
Generic synonyms: Opening
Derivative terms: Gap

5. Verb. Make a very sharp explosive sound. "His gun cracked"
Generic synonyms: Go, Sound
Derivative terms: Cracker, Cracking

6. Noun. A long narrow depression in a surface.
Exact synonyms: Chap, Cranny, Crevice, Fissure
Generic synonyms: Depression, Impression, Imprint
Derivative terms: Fissure

7. Verb. Make a sharp sound. "His fingers snapped"
Exact synonyms: Snap
Generic synonyms: Go, Sound
Derivative terms: Cracker, Snap, Snap

8. Noun. A sudden sharp noise. "He can hear the snap of a twig"
Exact synonyms: Cracking, Snap
Generic synonyms: Noise
Derivative terms: Snap, Snap, Snap

9. Verb. Hit forcefully; deal a hard blow, making a cracking noise. "The fighter managed to crack his opponent"; "The teacher cracked him across the face with a ruler"
Generic synonyms: Hit
Derivative terms: Cracking

10. Noun. A chance to do something. "He wanted a shot at the champion"
Exact synonyms: Shot
Language type: Colloquialism
Generic synonyms: Chance, Opportunity

11. Verb. Pass through (a barrier). "Registrations cracked through the 30,000 mark in the county"
Exact synonyms: Break Through
Generic synonyms: Go Across, Go Through, Pass

12. Noun. Witty remark.
Exact synonyms: Quip, Sally, Wisecrack
Generic synonyms: Comment, Input, Remark
Derivative terms: Quip, Wisecrack

13. Verb. Break partially but keep its integrity. "The glass cracked"
Generic synonyms: Break, Check
Specialized synonyms: Chap, Craze, Alligator

14. Noun. A blemish resulting from a break without complete separation of the parts. "There was a crack in the mirror"
Generic synonyms: Blemish, Defect, Mar
Specialized synonyms: Craze

15. Verb. Break suddenly and abruptly, as under tension. "The pipe snapped"
Exact synonyms: Snap
Generic synonyms: Break, Come Apart, Fall Apart, Separate, Split Up
Derivative terms: Snap

16. Noun. A purified and potent form of cocaine that is smoked rather than snorted; highly addictive.
Exact synonyms: Crack Cocaine, Tornado
Generic synonyms: Cocain, Cocaine

17. Verb. Gain unauthorized access computers with malicious intentions. "Crack a safe"
Generic synonyms: Break, Break In
Derivative terms: Cracker

18. Noun. A usually brief attempt. "I gave it a whirl"
Exact synonyms: Fling, Go, Offer, Pass, Whirl
Generic synonyms: Attempt, Effort, Endeavor, Endeavour, Try

19. Verb. Suffer a nervous breakdown.
Exact synonyms: Break Up, Collapse, Crack Up, Crock Up
Generic synonyms: Get, Have, Suffer, Sustain
Derivative terms: Collapse, Crack-up

20. Noun. The act of cracking something.
Exact synonyms: Cracking, Fracture
Generic synonyms: Break, Breakage, Breaking
Derivative terms: Fracture, Fracture, Fracture

21. Verb. Tell spontaneously. "Crack a joke"
Generic synonyms: Narrate, Recite, Recount, Tell

22. Verb. Cause to become cracked. "They crack the glass tubes"; "Heat and light cracked the back of the leather chair"
Generic synonyms: Alter, Change, Modify
Related verbs: Break, Check
Specialized synonyms: Check, Chink, Fissure

23. Verb. Reduce (petroleum) to a simpler compound by cracking.
Category relationships: Chemical Science, Chemistry
Generic synonyms: Break Down, Break Up, Decompose
Derivative terms: Cracking

24. Verb. Break into simpler molecules by means of heat. "The petroleum cracked"
Category relationships: Chemical Science, Chemistry
Generic synonyms: Change
Derivative terms: Cracking

Definition of Crack

1. v. t. To break or burst, with or without entire separation of the parts; as, to crack glass; to crack nuts.

2. v. i. To burst or open in chinks; to break, with or without quite separating into parts.

3. n. A partial separation of parts, with or without a perceptible opening; a chink or fissure; a narrow breach; a crevice; as, a crack in timber, or in a wall, or in glass.

4. a. Of superior excellence; having qualities to be boasted of.

Definition of Crack

1. Noun. A thin and usually jagged space opened in a previously solid material. ¹

2. Noun. A narrow opening. ¹

3. Noun. A sharply humorous comment; a wisecrack. ¹

4. Noun. A potent, relatively cheap, addictive variety of cocaine; often a rock, usually smoked through a crack-pipe. ¹

5. Noun. (onomatopoeia) The sharp sound made when solid material breaks. ¹

6. Noun. (onomatopoeia) Any sharp sound. ¹

7. Noun. (informal) An opportunity to attempt something. ¹

8. Noun. (vulgar slang) vagina. ¹

9. Noun. (vulgar) The space between the buttocks. ¹

10. Noun. (Northern England Scotland Ireland) Conviviality; fun; good conversation, chat, gossip, or humourous storytelling; good company. ¹

11. Noun. (Northern England Scotland) Business/events ¹

12. Noun. (computing) A program or procedure designed to circumvent restrictions or usage limits on software. ¹

13. Noun. (Cumbria elsewhere throughout the North of the UK) a meaningful chat. ¹

14. Noun. (Internet slang) Extremely silly, absurd or off-the-wall ideas or prose. ¹

15. Verb. (intransitive) To form cracks. ¹

16. Verb. (intransitive) To break apart under pressure. ¹

17. Verb. (intransitive) To become debilitated by psychological pressure. ¹

18. Verb. (intransitive) To yield under interrogation. ¹

19. Verb. (intransitive) To make a cracking sound. ¹

20. Verb. (intransitive of a voice) To change rapidly in register. ¹

21. Verb. (intransitive of a pubescent boy's voice) To alternate between high and low register in the process of eventually lowering. ¹

22. Verb. (intransitive) To make a sharply humorous comment. ¹

23. Verb. (transitive) To make a crack or cracks in. ¹

24. Verb. (transitive) To break open or crush to small pieces by impact or stress. ¹

25. Verb. (transitive) To strike forcefully. ¹

26. Verb. (transitive) To open slightly. ¹

27. Verb. (transitive) To cause to yield under interrogation or other pressure. (''Figurative'') ¹

28. Verb. (transitive) To solve a difficult problem. (qualifier Figurative, from cracking a nut.) ¹

29. Verb. (transitive) To overcome a security system or a component. ¹

30. Verb. (transitive) To cause to make a sharp sound. ¹

31. Verb. (transitive) To tell (a joke). ¹

32. Verb. (transitive chemistry informal) To break down (a complex molecule), especially with the application of heat: to pyrolyse. ¹

33. Verb. (transitive computing) To circumvent software restrictions such as regional coding or time limits. ¹

34. Verb. (transitive informal) To open a canned beverage, or any packaged drink or food. ¹

35. Verb. (obsolete) To brag, boast. ¹

36. Adjective. Highly trained and competent. ¹

37. Adjective. Excellent, first-rate, superior, top-notch. ¹

¹ Source:

Definition of Crack

1. to break without dividing into parts [v -ED, -ING, -S]

Medical Definition of Crack

1. A fissure or fracture. Caused by the effects of stress on weak or weakened parts of a material. To break a large, complex compound into simpler compounds. To open something slightly. A narcotic drug illegal in most countries which is a cheaper, more addictive, smokeable version of cocaine (another illegal narcotic) with more adverse effects on the user than cocaine. (09 Oct 1997)

Crack Pictures

Click the following link to bring up a new window with an automated collection of images related to the term: Crack Images

Lexicographical Neighbors of Crack

crack a book
crack a crib
crack a fat
crack a smile
crack addict
crack babies
crack baby
crack cocaine
crack down
crack down on
crack fic

Literary usage of Crack

Below you will find example usage of this term as found in modern and/or classical literature:

1. Slang and Its Analogues Past and Present: A Dictionary, Historical and by John Stephen Farmer, William Ernest Henley (1891)
"Says the skipper, 1 they may go or stand, I'm darned if 1 don't crack ON. ... They're on the stair just now, and IN A crack wilt all be here.' 1842. ..."

2. Irish Literature by Justin McCarthy, Maurice Francis Egan, Douglas Hyde, Charles Welsh, Gregory, James Jeffrey Roche (1904)
"crack, crack, whack)—my life—my life—(crack, crack—whack, whack)—oh! for the sake of ... So we will, but take this, anyhow '—(whack, crack, whack, crack). ..."

3. The Life and Opinions of Tristram Shandy, Gentleman by Laurence Sterne (1887)
"crack, crack ; crack, crack. What a fuss thou makest ! as if it concerned the good people to be ... But 'tis the spirit of thy nation ; so crack, crack on. ..."

4. Proceedings of the United States Naval Institute by United States Naval Institute (1891)
"Diameter at surface, 9 to 954 inches. No fringe. Through crack ... 1, subsequently opened up to wide through crack. Partially through crack 33 inches long ..."

Other Resources Relating to: Crack

Search for Crack on!Search for Crack on!Search for Crack on Google!Search for Crack on Wikipedia!