crack verb (BREAK)
B2 [ T or I ] to break something so that it does not separate, but very thin lines appear on its surface, or to become broken in this way:
The walls cracked and the roof collapsed in the earthquake.
› [ I ] informal to become mentally and physically weak:
› [ I ] informal to fail as a result of problems:
Their relationship began to crack (up) after their child died.
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crack verb (GET INTO)
› [ T ] also crack into sth to get into someone else's computer system without permission and get information or do something illegal
crack verb (FIND ANSWER)
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crack verb (HIT)
crack verb (MAKE SOUND)
crack verb (MAKE JOKE)
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crack noun (NARROW SPACE)
C2 [ C ] a very narrow space between parts of something:
We peered through the crack in the floorboards.
figurative Cracks began to show in his façade of self-confidence.
(just) a crack
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crack noun (SOUND)
crack noun (ATTEMPT)
› [ C usually singular ] informal an attempt:
It's not something I've done before, but I'll have/ (US take) a crack at it.
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crack noun (DRUG)
crack noun (ENJOYABLE TIME)
crack noun (IN COMPUTER SYSTEM)
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