| subst. |
| 1. |
crack - a long narrow opening |
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cleft,
crevice,
fissure,
scissure |
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gap,
opening a narrow opening; "he opened the window a crack"
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chap (usually in the plural) leather leggings without a seat; joined by a belt; often have flared outer flaps; worn over trousers by cowboys to protect their legs
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chink a short light metallic sound
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crevasse a deep fissure
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fatigue crack a crack in metal resulting from metal fatigue
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faulting,
geological fault,
fracture,
fault,
shift,
break the act of cracking something
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rift a narrow fissure in rock
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slit a long narrow opening
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split extending the legs at right angles to the trunk (one in front and the other in back)
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volcano,
vent a mountain formed by volcanic material
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| 2. |
crack - a sudden sharp noise; "the crack of a whip"; "he heard the cracking of the ice"; "he can hear the snap of a twig" |
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cracking,
snap |
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noise incomprehensibility resulting from irrelevant information or meaningless facts or remarks; "all the noise in his speech concealed the fact that he didn't have anything to say"
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| 3. |
crack - a blemish resulting from a break without complete separation of the parts; "there was a crack in the mirror" |
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blemish,
mar,
defect a mark or flaw that spoils the appearance of something (especially on a person's body); "a facial blemish"
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craze a fine crack in a glaze or other surface
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| 4. |
crack - a usually brief attempt; "he took a crack at it"; "I gave it a whirl" |
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fling,
pass,
whirl,
offer |
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try,
attempt,
endeavor,
endeavour,
effort 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"
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| 5. |
crack - a purified and potent form of cocaine that is smoked rather than snorted; highly addictive |
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tornado |
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cocain,
cocaine a narcotic (alkaloid) extracted from coca leaves; used as a surface anesthetic or taken for pleasure; can become powerfully addictive
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| verb |
| 1. |
crack - become fractured; break or crack on the surface only; "The glass cracked when it was heated" |
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check,
break |
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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"
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crack break into simpler molecules by means of heat; "The petroleum cracked"
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| 2. |
crack - break partially but keep its integrity; "The glass cracked" |
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crack,
check,
break break into simpler molecules by means of heat; "The petroleum cracked"
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chap crack due to dehydration; "My lips chap in this dry weather"
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craze develop a fine network of cracks; "Crazed ceramics"
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alligator crack and acquire the appearance of alligator hide, as from weathering or improper application; of paint and varnishes
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| 3. |
crack - reduce (petroleum) to a simpler compound by cracking |
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crack break into simpler molecules by means of heat; "The petroleum cracked"
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decompose,
break down,
break up separate (substances) into constituent elements or parts
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chemical science,
chemistry the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
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| 4. |
crack - cause to become cracked; "heat and light cracked the back of the leather chair" |
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modify,
alter,
change make less severe or harsh or extreme; "please modify this letter to make it more polite"; "he modified his views on same-gender marriage"
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chink,
check fill the chinks of, as with caulking
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fissure break into fissures or fine cracks
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| 5. |
crack - break into simpler molecules by means of heat; "The petroleum cracked" |
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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"
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chemical science,
chemistry the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
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| 6. |
crack - make a very sharp explosive sound; "His gun cracked" |
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sound,
go appear in a certain way; "This sounds interesting"
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| 7. |
crack - tell spontaneously; "crack a joke" |
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narrate,
recount,
recite,
tell provide commentary for a film, for example
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| 8. |
crack - hit forcefully; deal a hard blow, making a cracking noise; "The teacher cracked him across the face with a ruler" |
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hit pay unsolicited and usually unwanted sexual attention to; "He tries to hit on women in bars"
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| 9. |
crack - gain unauthorized access computers with malicious intentions; "she cracked my password"; "crack a safe" |
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break in,
break make submissive, obedient, or useful; "The horse was tough to break"; "I broke in the new intern"
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