[noun] a long narrow opening
Synonyms: cleft, crevice, fissure, scissure
[noun] a narrow opening; "he opened the window a crack"
[noun] a long narrow depression in a surface
Synonyms: crevice, cranny, fissure, chap
[noun] 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: ing, snap
[noun] a chance to do something; "he wanted a shot at the champion"
[noun] witty remark
Synonyms: wisesally, quip
[noun] a blemish resulting from a break without complete separation of the parts; "there was a crack in the mirror"
[noun] a purified and potent form of cocaine that is smoked rather than snorted
[noun] a usually brief attempt; "he took a crack at it"; "I gave it a whirl"
Synonyms: fling, go, pass, whirl, offer
[noun] the act of cracking something
Synonyms: fracture, ing
[verb] become fractured; break or crack on the surface only; "The glass cracked when it was heated"
Synonyms: check, break
[verb] make a very sharp explosive sound; "His gun cracked"
[verb] make a sharp sound; "his fingers snapped"
[verb] hit forcefully; deal a hard blow, making a cracking noise; "The teacher cracked him across the face with a ruler"
[verb] pass through (a barrier); "Registrations cracked through the 30,000 mark in the county"
Synonyms: break through
[verb] break partially but keep its integrity; "The glass cracked"
[verb] break suddenly and abruptly, as under tension; "The rope snapped"
[verb] suffer a nervous breakdown
Synonyms: up, crock up, break up, collapse
[verb] tell spontaneously; "crack a joke"
[verb] cause to become cracked; "heat and light cracked the back of the leather chair"
[verb] reduce (petroleum) to a simpler compound by cracking
[verb] break into simpler molecules by means of heat; "The petroleum cracked"
[adjective] 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, tops