crack
1. [ verb ] become fractured; break or crack on the surface only
Synonyms: break check
Examples:

"The glass cracked when it was heated"

Related terms: change check fracture
2. [ verb ] (arms) make a very sharp explosive sound
Examples:

"His gun cracked"

Related terms: go firecracker
3. [ noun ] a long narrow opening
Synonyms: crevice fissure scissure cleft
Related terms: opening fault vent crevasse chap fatigue_crack slit rift split crater chink fissure
4. [ verb ] pass through, as through a barrier
Synonyms: break_through
Examples:

"Registrations cracked through the 30,000 mark in the county"

Related terms: pass
5. [ verb ] as of tightly stretched ropes or fingers
Synonyms: snap
Related terms: go cracker
6. [ verb ] hit forcefully; deal a hard blow, making a cracking noise
Examples:

: "The teacher cracked him across the face with a ruler"

Related terms: hit fracture
7. [ adjective ] of the highest quality
Synonyms: super topnotch first-rate tiptop ace tops a-one
Examples:

"an ace reporter" "a crack shot" "a first-rate golfer" "a super party" "played top-notch tennis" "an athlete in tiptop condition" "she is absolutely tops"

Related terms: colloquialism superior
8. [ noun ] a narrow opening
Synonyms: gap
Examples:

"he opened the window a crack"

Related terms: opening lacuna spark_gap gap
9. [ adjective ] (informal) of the highest quality
Synonyms: super topnotch first-rate tiptop A-one tops ace
Examples:

"an ace reporter" "a crack shot" "a first-rate golfer" "a super party" "played top-notch tennis" "an athlete in tiptop condition" "she is absolutely tops"

Related terms: superior
10. [ noun ] a long narrow depression in a surface
Synonyms: crevice chap fissure cranny
Related terms: depression fissure
11. [ verb ] break suddenly and abruptly; as of something under tension
Synonyms: snap
Examples:

"The rope snapped"

Related terms: break snap
12. [ verb ] break partially but keep its integrity
Examples:

"The glass cracked"

Related terms: craze alligator chap
13. [ noun ] a sudden sharp noise
Synonyms: cracking snap
Examples:

"the crack of a whip" "he heard the cracking of the ice" "he can hear the snap of a twig"

Related terms: noise snap
14. [ verb ] (medicine) suffer a nervous breakdown
Synonyms: crack_up collapse break_up crock_up
Related terms: suffer collapse
15. [ noun ] (informal) a chance to do something
Synonyms: shot
Examples:

"he wanted a shot at the champion"

Related terms: opportunity colloquialism
16. [ verb ] break into simpler molecules by means of heat
Examples:

"The petroleum cracked"

Related terms: change chemistry
17. [ noun ] a mark left after a small piece has been chopped or broken off of something
Synonyms: chip check
Related terms: blemish nick
18. [ noun ] a usually brief attempt
Synonyms: go pass whirl offer fling
Examples:

"he took a crack at it" "I gave it a whirl"

Related terms: attempt
19. [ verb ] tell spontaneously
Examples:

"crack a joke"

Related terms: tell wisecrack
20. [ verb ] reduce (petroleum) to a simpler compound by cracking
Related terms: decompose chemistry
21. [ verb ] cause to become cracked
Examples:

"heat and light cracked the back of the leather chair"

Related terms: change fissure check
22. [ noun ] a blemish resulting from a break without complete separation of the parts
Examples:

"there was a crack in the mirror"

Related terms: blemish craze
23. [ noun ] witty remark
Synonyms: sally quip wisecrack
Related terms: remark gag
24. [ noun ] (pharmacology) a purified and potent form of cocaine that is smoked rather than snorted
Synonyms: tornado
Related terms: C
25. [ noun ] the act of cracking something
Synonyms: cracking fracture
Related terms: breakage fracture
Similar spelling:   creak
  crock
  crick
  Croak
  creaky
  croaky
  Cruce
  crake
  Crace
  creek
  Crecy
  Croke
  Crook
  Croce
  carack
  creche
  Creasy
  crease
  Crooke
  Crooks
  Creagh
  Creach
  Cracow
  Creasey
  Croskey