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English definition of “slam”

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slam

verb uk   /slæm/ (-mm-) us  
B2 [I or T] to (cause to) move against a hard surface with force and usually a loud noise: The wind made the door/window slam (shut). Close the door carefully, don't slam it. He slammed the brakes on (= used them quickly and with force) when a child ran in front of his car. I had to stop suddenly, and the car behind slammed into the back of me. [T] informal to criticize: Although the reviewers slammed the play, the audience loved it.
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slam

noun [S] uk   /slæm/ us  
a sudden loud noise: The door shut with a slam.
(Definition of slam from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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