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English definition of “crack”

crack

verb
 
 
/kræk/
BREAK [I, T] B2 to break something so that it does not separate, but very thin lines appear on its surface, or to become broken in this way: Linda cracked her tooth when she fell. The concrete had started to crack. cracked dishesTearing and breaking into pieces
EGG/NUT [T] to open an egg or nut by breaking its shellTearing and breaking into pieces
HIT [T] to hit a part of your body against something hard, by accident: He cracked his head on the shelf.Hitting against objects accidentally and colliding
SOLVE [T] informal to solve a difficult problem: It took three months to crack the enemy's code.Solving and solutions
get cracking informal to start doing something quickly: Let's get cracking! We've only got two days to finish.Starting and beginningStarting again
LOSE CONTROL [I] to lose control of your emotions and be unable to deal with a situation: He finally cracked after years of stress.Mental and psychiatric disorders
NOISE [I, T] to make a sudden, short noise, or to make something make this noiseSounds made by objects, movement or impact
crack a joke to tell a jokeHumour and humorous
(Definition of crack verb from the Cambridge Learners Dictionary © Cambridge University Press)
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