crack crack

noun

() a long narrow opening  ( cleft, crevice, fissure, scissure, crack )
a long narrow opening

() a narrow opening  ( crack, gap )
a narrow opening
 he opened the window a crack
he opened the window a crack

() a sudden sharp noise  ( snap, crack, cracking )
a sudden sharp noise
 the crack of a whip
the crack of a whip
 he heard the cracking of the ice
he heard the cracking of the ice
 he can hear the snap of a twig
he can hear the snap of a twig

() a long narrow depression in a surface  ( chap, cranny, fissure, crack, crevice )
a long narrow depression in a surface

the act of cracking something  ( crack, fracture, cracking )
the act of cracking something

a usually brief attempt  ( crack, fling, go, offer, pass, whirl )
a usually brief attempt
 he took a crack at it
he took a crack at it
 I gave it a whirl
I gave it a whirl

a purified and potent form of cocaine that is smoked rather than snorted; highly addictive  ( crack, crack cocaine, tornado )
a purified and potent form of cocaine that is smoked rather than snorted; highly addictive

a blemish resulting from a break without complete separation of the parts  ( crack )
a blemish resulting from a break without complete separation of the parts
 there was a crack in the mirror
there was a crack in the mirror

witty remark  ( crack, quip, wisecrack, sally )
witty remark

a chance to do something  ( crack, shot )
a chance to do something
 he wanted a shot at the champion
he wanted a shot at the champion

adj

() of the highest quality  ( A-one, ace, tiptop, top-notch, tops, first-rate, topnotch, crack, super )
of the highest quality
 an ace reporter
an ace reporter
 a crack shot
a crack shot
 a first-rate golfer
a first-rate golfer
 a super party
a super party
 played top-notch tennis
played top-notch tennis
 an athlete in tiptop condition
an athlete in tiptop condition
 she is absolutely tops
she is absolutely tops

verb

() become fractured; break or crack on the surface only  ( break, check, crack )
become fractured; break or crack on the surface only
 The glass cracked when it was heated
The glass cracked when it was heated

() make a very sharp explosive sound  ( crack )
make a very sharp explosive sound
 His gun cracked
His gun cracked

() pass through (a barrier)  ( crack, break through )
pass through (a barrier)
 Registrations cracked through the 30,000 mark in the county
Registrations cracked through the 30,000 mark in the county

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

() make a sharp sound  ( snap, crack )
make a sharp sound
 his fingers snapped
his fingers snapped

() break suddenly and abruptly, as under tension  ( crack, snap )
break suddenly and abruptly, as under tension
 The pipe snapped
The pipe snapped

() break partially but keep its integrity  ( crack )
break partially but keep its integrity
 The glass cracked
The glass cracked

break into simpler molecules by means of heat  ( crack )
break into simpler molecules by means of heat
 The petroleum cracked
The petroleum cracked

reduce (petroleum) to a simpler compound by cracking  ( crack )
reduce (petroleum) to a simpler compound by cracking

cause to become cracked  ( crack )
cause to become cracked
 heat and light cracked the back of the leather chair
heat and light cracked the back of the leather chair

tell spontaneously  ( crack )
tell spontaneously
 crack a joke
crack a joke

suffer a nervous breakdown  ( break up, collapse, crack, crock up, crack up )
suffer a nervous breakdown

gain unauthorized access computers with malicious intentions  ( crack )
gain unauthorized access computers with malicious intentions
 she cracked my password
she cracked my password
 crack a safe
crack a safe