Crack - definition, pronunciation, transcription

Amer.  |kræk|  American pronunciation of the word crack
Brit.  |kræk|  British pronunciation of the word crack


- a long narrow opening (syn: cleft, crevice, fissure)
- a narrow opening (syn: gap)
he opened the window a crack
- a long narrow depression in a surface (syn: chap, cranny, crevice, fissure)
- a sudden sharp noise (syn: cracking, snap)
the crack of a whip
he heard the cracking of the ice
- a chance to do something (syn: shot)
- witty remark (syn: quip, sally, wisecrack)
- a blemish resulting from a break without complete separation of the parts
there was a crack in the mirror
- a purified and potent form of cocaine that is smoked rather than snorted; highly addictive (syn: tornado)
- a usually brief attempt (syn: fling, go, offer, pass, whirl)
he took a crack at it
- the act of cracking something (syn: cracking, fracture)


- become fractured; break or crack on the surface only (syn: break, check)
The glass cracked when it was heated
- make a very sharp explosive sound
His gun cracked
- make a sharp sound (syn: snap)
- hit forcefully; deal a hard blow, making a cracking noise
The teacher cracked him across the face with a ruler
- pass through (a barrier) (syn: break through)
Registrations cracked through the 30,000 mark in the county
- break partially but keep its integrity
The glass cracked
- break suddenly and abruptly, as under tension (syn: snap)
- gain unauthorized access computers with malicious intentions
she cracked my password
crack a safe
- suffer a nervous breakdown (syn: break up, collapse, crack up)
- tell spontaneously
crack a joke
- cause to become cracked
heat and light cracked the back of the leather chair
- reduce (petroleum) to a simpler compound by cracking
- break into simpler molecules by means of heat
The petroleum cracked


- of the highest quality (syn: ace, first-rate, super, tiptop, top-notch, topnotch, tops)
a crack shot

Extra examples

The hailstones were big enough to crack some windows.

He cracked his collarbone in a skiing accident.

The mirror cracked when she dropped it.

Workers cracked the large rock into three pieces so it could be moved.

The bird cracked the seed on a tree branch.

He cracked open the eggs.

Someone cracked him over the head with a beer bottle.

The baby cracked her chin pretty hard when she fell.

He fell and cracked his elbow on the ice.

The crack runs all the way from the top of the wall to the bottom.

The vase has a few fine cracks, but it is still usable.

I could see them through the crack in the doorway.

Light came through the cracks in the walls of the barn.

The company has a crack sales force.

...known as one of the college's crack tennis players...

Phrasal verbs

crack down  — repress or suppress (something regarded as undesirable)
crack up  — suffer a nervous breakdown

Word forms

I/you/we/they: crack
he/she/it: cracks
present participle: cracking
past tense: cracked
past participle: cracked
singular: crack
plural: cracks
See also:  WebsterWiktionaryLongman