· a long narrow opening

Synonym(s): cleft, crevice, fissure, scissure

Hypernym(s): opening, gap

· a narrow opening; "he opened the window a crack"

Synonym(s): gap

Hypernym(s): opening

· a long narrow depression in a surface

Synonym(s): crevice, cranny, fissure, chap

Hypernym(s): depression, impression, imprint

· a sudden sharp noise; "the crack of a whip"; "he heard the cracking of the ice"; "he can hear the snap of a twig"

Synonym(s): cracking, snap

Hypernym(s): noise

· a chance to do something; "he wanted a shot at the champion"

Synonym(s): shot

Hypernym(s): opportunity, chance

· witty remark

Synonym(s): wisecrack, sally, quip

Hypernym(s): remark, comment, input

· a blemish resulting from a break without complete separation of the parts; "there was a crack in the mirror"

Hypernym(s): blemish, defect, mar

· a purified and potent form of cocaine that is smoked rather than snorted; highly addictive

Synonym(s): crack_cocaine, tornado

Hypernym(s): cocaine, cocain

· a usually brief attempt; "he took a crack at it"; "I gave it a whirl"

Synonym(s): fling, go, pass, whirl, offer

Hypernym(s): attempt, effort, endeavor, endeavour, try

· the act of cracking something

Synonym(s): fracture, cracking

Hypernym(s): breakage, break, breaking

· become fractured; break or crack on the surface only; "The glass cracked when it was heated"

Synonym(s): check, break

Hypernym(s): change

· make a very sharp explosive sound; "His gun cracked"

Hypernym(s): sound, go

· make a sharp sound; "his fingers snapped"

Synonym(s): snap

Hypernym(s): sound, go

· hit forcefully; deal a hard blow, making a cracking noise; "The teacher cracked him across the face with a ruler"

Hypernym(s): hit

· pass through (a barrier); "Registrations cracked through the 30,000 mark in the county"

Synonym(s): break_through

Hypernym(s): pass, go_through, go_across

· break partially but keep its integrity; "The glass cracked"

Hypernym(s): crack, check, break

· break suddenly and abruptly, as under tension; "The pipe snapped"

Synonym(s): snap

Hypernym(s): break, separate, split_up, fall_apart, come_apart

· gain unauthorized access computers with malicious intentions; "she cracked my password"; "crack a safe"

Hypernym(s): break_in, break

· suffer a nervous breakdown

Synonym(s): crack_up, crock_up, break_up, collapse

Hypernym(s): suffer, sustain, have, get

· tell spontaneously; "crack a joke"

Hypernym(s): tell, narrate, recount, recite

· cause to become cracked; "heat and light cracked the back of the leather chair"

Hypernym(s): change, alter, modify

· reduce (petroleum) to a simpler compound by cracking

Hypernym(s): decompose, break_up, break_down

· break into simpler molecules by means of heat; "The petroleum cracked"

Hypernym(s): change

· 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"

Synonym(s): ace, A-one, first-rate, super, tiptop, topnotch, top-notch, tops