Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun crack
10 senses of crack
Sense 1
crack, cleft, crevice, fissure, scissure -- (a long narrow opening)
=> opening, gap -- (an open or empty space in or between things; "there was a small opening between the trees"; "the explosion made a gap in the wall")
Sense 2
gap, crack -- (a narrow opening; "he opened the window a crack")
=> opening -- (a vacant or unobstructed space that is man-made; "they left a small opening for the cat at the bottom of the door")
Sense 3
crevice, cranny, crack, fissure, chap -- (a long narrow depression in a surface)
=> depression, impression, imprint -- (a concavity in a surface produced by pressing; "he left the impression of his fingers in the soft mud")
Sense 4
crack, cracking, snap -- (a sudden sharp noise; "the crack of a whip"; "he heard the cracking of the ice"; "he can hear the snap of a twig")
=> noise -- (sound of any kind (especially unintelligible or dissonant sound); "he enjoyed the street noises"; "they heard indistinct noises of people talking"; "during the firework display that ended the gala the noise reached 98 decibels")
Sense 5
shot, crack -- (a chance to do something; "he wanted a shot at the champion")
=> opportunity, chance -- (a possibility due to a favorable combination of circumstances; "the holiday gave us the opportunity to visit Washington"; "now is your chance")
Sense 6
wisecrack, crack, sally, quip -- (witty remark)
=> remark, comment, input -- (a statement that expresses a personal opinion or belief or adds information; "from time to time she contributed a personal comment on his account")
Sense 7
crack -- (a blemish resulting from a break without complete separation of the parts; "there was a crack in the mirror")
=> blemish, defect, mar -- (a mark or flaw that spoils the appearance of something (especially on a person's body); "a facial blemish")
Sense 8
crack, crack cocaine, tornado -- (a purified and potent form of cocaine that is smoked rather than snorted; highly addictive)
=> cocaine, cocain -- (a narcotic (alkaloid) extracted from coca leaves; used as a surface anesthetic or taken for pleasure; can become powerfully addictive)
Sense 9
crack, fling, go, pass, whirl, offer -- (a usually brief attempt; "he took a crack at it"; "I gave it a whirl")
=> attempt, effort, endeavor, endeavour, try -- (earnest and conscientious activity intended to do or accomplish something; "made an effort to cover all the reading material"; "wished him luck in his endeavor"; "she gave it a good try")
Sense 10
fracture, crack, cracking -- (the act of cracking something)
=> breakage, break, breaking -- (the act of breaking something; "the breakage was unavoidable")
Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb crack
13 senses of crack
Sense 1
crack, check, break -- (become fractured; break or crack on the surface only; "The glass cracked when it was heated")
=> change -- (undergo a change; become different in essence; losing one's or its original nature; "She changed completely as she grew older"; "The weather changed last night")
Sense 2
crack -- (make a very sharp explosive sound; "His gun cracked")
=> sound, go -- (make a certain noise or sound; "She went `Mmmmm'"; "The gun went `bang'")
Sense 3
snap, crack -- (make a sharp sound; "his fingers snapped")
=> sound, go -- (make a certain noise or sound; "She went `Mmmmm'"; "The gun went `bang'")
Sense 4
crack -- (hit forcefully; deal a hard blow, making a cracking noise; "The teacher cracked him across the face with a ruler")
=> hit -- (deal a blow to, either with the hand or with an instrument; "He hit her hard in the face")
Sense 5
break through, crack -- (pass through (a barrier); "Registrations cracked through the 30,000 mark in the county")
=> pass, go through, go across -- (go across or through; "We passed the point where the police car had parked"; "A terrible thought went through his mind")
Sense 6
crack -- (break partially but keep its integrity; "The glass cracked")
=> crack, check, break -- (become fractured; break or crack on the surface only; "The glass cracked when it was heated")
Sense 7
snap, crack -- (break suddenly and abruptly, as under tension; "The pipe snapped")
=> break, separate, split up, fall apart, come apart -- (become separated into pieces or fragments; "The figurine broke"; "The freshly baked loaf fell apart")
Sense 8
crack -- (gain unauthorized access computers with malicious intentions; "she cracked my password"; "crack a safe")
=> break in, break -- (enter someone's (virtual or real) property in an unauthorized manner, usually with the intent to steal or commit a violent act; "Someone broke in while I was on vacation"; "They broke into my car and stole my radio!"; "who broke into my account last night?")
Sense 9
crack up, crack, crock up, break up, collapse -- (suffer a nervous breakdown)
=> suffer, sustain, have, get -- (undergo (as of injuries and illnesses); "She suffered a fracture in the accident"; "He had an insulin shock after eating three candy bars"; "She got a bruise on her leg"; "He got his arm broken in the scuffle")
Sense 10
crack -- (tell spontaneously; "crack a joke")
=> tell, narrate, recount, recite -- (narrate or give a detailed account of; "Tell what happened"; "The father told a story to his child")
Sense 11
crack -- (cause to become cracked; "heat and light cracked the back of the leather chair")
=> change, alter, modify -- (cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue")
Sense 12
crack -- (reduce (petroleum) to a simpler compound by cracking)
=> decompose, break up, break down -- (separate (substances) into constituent elements or parts)
Sense 13
crack -- (break into simpler molecules by means of heat; "The petroleum cracked")
=> change -- (undergo a change; become different in essence; losing one's or its original nature; "She changed completely as she grew older"; "The weather changed last night")
Antonyms of adj crack
1 sense of crack
Sense 1
ace, A-one, crack, first-rate, super, tiptop, topnotch, top-notch, tops (predicate) -- (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")
INDIRECT (VIA superior) -> inferior -- (of low or inferior quality)
Similarity of adj crack
1 sense of crack
Sense 1
ace, A-one, crack, first-rate, super, tiptop, topnotch, top-notch, tops (predicate) -- (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")
=> superior (vs. inferior) -- (of high or superior quality or performance; "superior wisdom derived from experience"; "superior math students")