crack

noun

A thin and usually jagged space opened in a previously solid material.

"A large crack had formed in the roadway."

noun

A narrow opening.

"Open the door a crack."

noun

A sharply humorous comment; a wisecrack.

"I didn't appreciate that crack about my hairstyle."

noun

Crack cocaine, a potent, relatively cheap, addictive variety of cocaine; often a rock, usually smoked through a crack-pipe.

"crack head"

noun

The sharp sound made when solid material breaks.

"The crack of the falling branch could be heard for miles."

noun

Any sharp sound.

"The crack of the bat hitting the ball."

noun

A sharp, resounding blow.

noun

An attempt at something.

"I'd like to take a crack at that game."

noun

Vagina.

"I'm so horny even the crack of dawn isn't safe!"

noun

The space between the buttocks.

"Pull up your pants! Your crack is showing."

noun

Conviviality; fun; good conversation, chat, gossip, or humorous storytelling; good company.

"He/she is quare good crack."

noun

Business; events; news.

"What's the crack?"

noun

A program or procedure designed to circumvent restrictions or usage limits on software.

"Has anyone got a crack for DocumentWriter 3.0?"

noun

(elsewhere throughout the North of the UK) a meaningful chat.

noun

Extremely silly, absurd or off-the-wall ideas or prose.

noun

The tone of voice when changed at puberty.

noun

A mental flaw; a touch of craziness; partial insanity.

"He has a crack."

noun

A crazy or crack-brained person.

noun

A boast; boasting.

noun

Breach of chastity.

noun

A boy, generally a pert, lively boy.

noun

A brief time; an instant; a jiffy.

"I'll be with you in a crack."

verb

To form cracks.

"It's been so dry, the ground is starting to crack."

verb

To break apart under pressure.

"When I tried to stand on the chair, it cracked."

verb

To become debilitated by psychological pressure.

"Anyone would crack after being hounded like that."

verb

To break down or yield, especially under interrogation or torture.

"When we showed him the pictures of the murder scene, he cracked."

verb

To make a cracking sound.

"The bat cracked with authority and the ball went for six."

verb

(of a voice) To change rapidly in register.

"His voice cracked with emotion."

verb

(of a pubescent boy's voice) To alternate between high and low register in the process of eventually lowering.

"His voice finally cracked when he was fourteen."

verb

To make a sharply humorous comment.

""I would too, with a face like that," she cracked."

verb

To make a crack or cracks in.

"The ball cracked the window."

verb

To break open or crush to small pieces by impact or stress.

"You'll need a hammer to crack a black walnut."

verb

To strike forcefully.

"She cracked him over the head with her handbag."

verb

To open slightly.

"Could you please crack the window?"

verb

To cause to yield under interrogation or other pressure. (Figurative)

"They managed to crack him on the third day."

verb

To solve a difficult problem. (Figurative, from cracking a nut.)

"I've finally cracked it, and of course the answer is obvious in hindsight."

verb

To overcome a security system or a component.

"It took a minute to crack the lock, three minutes to crack the security system, and about twenty minutes to crack the safe."

verb

To cause to make a sharp sound.

"to crack a whip"

verb

To tell (a joke).

"The performance was fine until he cracked that dead baby joke."

verb

To break down (a complex molecule), especially with the application of heat: to pyrolyse.

"Acetone is cracked to ketene and methane at 700°C."

verb

To circumvent software restrictions such as regional coding or time limits.

"That software licence will expire tomorrow unless we can crack it."

verb

To open a canned beverage, or any packaged drink or food.

"I'd love to crack open a beer."

verb

To brag, boast.

verb

To be ruined or impaired; to fail.

adjective

Highly trained and competent.

"Even a crack team of investigators would have trouble solving this case."