crack

nouns

a long narrow opening
cleft, crack, crevice, fissure, scissure
a narrow opening
"he opened the window a crack"
crack, gap
a long narrow depression in a surface
chap, crack, cranny, crevice, fissure
a sudden sharp noise
"the crack of a whip"; "he heard the cracking of the ice"; "he can hear the snap of a twig"
crack, cracking, snap
a chance to do something
"he wanted a shot at the champion"
crack, shot
witty remark
crack, quip, sally, wisecrack
a blemish resulting from a break without complete separation of the parts
"there was a crack in the mirror"
crack
is a type of (narrower)
a mark or flaw that spoils the appearance of something (especially on a person's body)
"a facial blemish"
blemish, defect, mar
a purified and potent form of cocaine that is smoked rather than snorted; highly addictive
crack, crack cocaine, tornado
a usually brief attempt
"he took a crack at it"; "I gave it a whirl"
crack, fling, go, offer, pass, whirl
the act of cracking something
crack, cracking, fracture

verbs

become fractured; break or crack on the surface only
"The glass cracked when it was heated"
break, check, crack
make a very sharp explosive sound
"His gun cracked"
crack
is derived from
cracker
is derived from
cracking
is a type of (narrower)
make a certain noise or sound
"She went `Mmmmm'"; "The gun went `bang'"
go, sound
make a sharp sound
"his fingers snapped"
crack, snap
is derived from
cracker
hit forcefully; deal a hard blow, making a cracking noise
"The teacher cracked him across the face with a ruler"
crack
is derived from
cracking
is a type of (narrower)
deal a blow to, either with the hand or with an instrument
"He hit her hard in the face"
hit
pass through (a barrier)
"Registrations cracked through the 30,000 mark in the county"
break through, crack
break partially but keep its integrity
"The glass cracked"
crack
is a type of (narrower)
become fractured; break or crack on the surface only
"The glass cracked when it was heated"
break, check, crack
break suddenly and abruptly, as under tension
"The pipe snapped"
crack, snap
gain unauthorized access computers with malicious intentions
"she cracked my password"; "crack a safe"
crack
is derived from
cracker
is a type of (narrower)
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?"
break, break in
suffer a nervous breakdown
break up, collapse, crack, crack up, crock up
tell spontaneously
"crack a joke"
crack
is a type of (narrower)
narrate or give a detailed account of
"Tell what happened"; "The father told a story to his child"
narrate, recite, recount, tell
cause to become cracked
"heat and light cracked the back of the leather chair"
crack
verb group
become fractured; break or crack on the surface only
"The glass cracked when it was heated"
break, check, crack
is a type of (narrower)
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"
alter, change, modify
reduce (petroleum) to a simpler compound by cracking
crack
is derived from
cracking
domain category
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
chemical science, chemistry
is a type of (narrower)
separate (substances) into constituent elements or parts
break down, break up, decompose
causes
break into simpler molecules by means of heat
"The petroleum cracked"
crack
break into simpler molecules by means of heat
"The petroleum cracked"
crack
is derived from
cracking
domain category
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
chemical science, chemistry
is a type of (narrower)
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"
change

adjectives

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"
A-one, ace, crack, first-rate, super, tiptop, top-notch, topnotch, tops