crack - definition in the American English Dictionary - Cambridge Dictionaries Online

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English definition of “crack”

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crack

verb  us   /kræk/

crack verb (DAMAGE)

[I/T] to damage something by causing thin lines or spaces to appear on its surface; break slightly: [I] The concrete on the front of the building had begun to crack. [T] The X-ray showed that she had cracked a bone in her foot.

crack verb (HIT SOMETHING)

[T always + adv/prep] to hit something hard: He fell backward, his head cracking against a tree.

crack verb (OPEN)

[T] to break something open, esp. in order to reach or use what is inside: He cracked three eggs into a mixing bowl. [T] If you crack a code (= message in symbols), you discover what it means.

crack verb (MAKE A NOISE)

[I/T] to make a sudden, sharp noise or to cause something to make such a noise: [I] All around us the lightning was cracking.

crack verb (LOSE CONTROL)

[I] to weaken and become less able to think in a reasonable way, esp. because of anxiety or fear: In spite of intense questioning for over eight hours, she never cracked.

crack verb (JOKE)

[T] to make a joke or amusing remark: Jerry’s always cracking jokes.

crack

noun [C]  us   /kræk/

crack noun [C] (ATTEMPT)

an attempt; a try: I’ve never tried to cook this before, but I thought I’d have a crack at it.

crack noun [C] (JOKE)

a joking remark that is critical of someone or slightly insulting: She’s always making cracks about how much I eat.

crack noun [C] (DAMAGE)

a thin line or space in the surface of something, usually a sign of damage: A series of cracks developed in the road surface. A crack is also a narrow space: She opened the door a crack.

crack

adjective [not gradable]  us   /kræk/

crack adjective [not gradable] (SKILLFUL)

skillful; expert: The man’s a crack technician.
(Definition of crack from the Cambridge Academic Content Dictionary © Cambridge University Press)
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