Definitions of crack:
- noun: a usually brief attempt
Example: "He took a crack at it"
- noun: a purified and potent form of cocaine that is smoked rather than snorted
- noun: a blemish resulting from a break without complete separation of the parts
Example: "There was a crack in the mirror"
- noun: a sudden sharp noise
Example: "The crack of a whip"
- noun: a long narrow opening
- noun: the act of cracking something
- noun: a narrow opening
Example: "He opened the window a crack"
- noun: witty remark
- noun: a chance to do something
- noun: a long narrow depression in a surface
- verb: make a very sharp explosive sound
Example: "His gun cracked"
- verb: break into simpler molecules by means of heat
Example: "The petroleum cracked"
- verb: reduce (petroleum) to a simpler compound by cracking
- verb: become fractured; break or crack on the surface only
Example: "The glass cracked when it was heated"
- verb: cause to become cracked
Example: "Heat and light cracked the back of the leather chair"
- verb: break partially but keep its integrity
Example: "The glass cracked"
- verb: tell spontaneously
Example: "Crack a joke"
- verb: hit forcefully; deal a hard blow, making a cracking noise
Example: "The teacher cracked him across the face with a ruler"
- verb: make a sharp sound
- verb: break suddenly and abruptly, as under tension
- verb: pass through (a barrier)
Example: "Registrations cracked through the 30,000 mark in the county"
- verb: suffer a nervous breakdown
- adjective: of the highest quality
Example: "A crack shot"