crack meaning and definition

CRACK noun

Definition of crack (noun)

1. a long narrow opening
   • synonyms: cleft, crevice, fissure, scissure
2. a narrow opening
   • "he opened the window a crack"
   • synonyms: gap
3. a long narrow depression in a surface
   • synonyms: chap, cranny, crevice, fissure
4. a sudden sharp noise
   • "the crack of a whip"; "he heard the cracking of the ice"; "he can hear the snap of a twig"
   • synonyms: cracking, snap
5. a chance to do something
   • "he wanted a shot at the champion"
   • synonyms: shot
6. witty remark
   • synonyms: quip, sally, wisecrack
7. a blemish resulting from a break without complete separation of the parts
   • "there was a crack in the mirror"
8. a purified and potent form of cocaine that is smoked rather than snorted; highly addictive
   • synonyms: crack cocaine, tornado
9. a usually brief attempt
   • "he took a crack at it"; "I gave it a whirl"
   • synonyms: fling, go, offer, pass, whirl
10. the act of cracking something
    • synonyms: cracking, fracture

CRACK verb

Definition of crack (verb)

1. become fractured; break or crack on the surface only
   • "The glass cracked when it was heated"
   • synonyms: break, check
2. make a very sharp explosive sound
   • "His gun cracked"
3. make a sharp sound
   • "his fingers snapped"
   • synonyms: snap
4. hit forcefully; deal a hard blow, making a cracking noise
   • "The teacher cracked him across the face with a ruler"
5. pass through (a barrier)
   • "Registrations cracked through the 30,000 mark in the county"
   • synonyms: break through
6. break partially but keep its integrity
   • "The glass cracked"
7. break suddenly and abruptly, as under tension
   • "The pipe snapped"
   • synonyms: snap
8. gain unauthorized access computers with malicious intentions
   • "she cracked my password"; "crack a safe"
9. suffer a nervous breakdown
   • synonyms: break up, collapse, crack up, crock up
10. tell spontaneously
    • "crack a joke"
11. cause to become cracked
    • "heat and light cracked the back of the leather chair"
12. reduce (petroleum) to a simpler compound by cracking
13. break into simpler molecules by means of heat
    • "The petroleum cracked"

CRACK adjective

Definition of crack (adjective)

1. of the highest quality
   • "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"
   • synonyms: ace, A-one, first-rate, super, tiptop, topnotch, top-notch, tops