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English definition of “out”


adverb, preposition (LOUD)    /aʊt/
used with verbs describing sounds to emphasize the loudness of the sound : He cried out in pain as he hit his head . Charlie Chaplin films always make me laugh out loud .Noise and noisy
(Definition of out adverbpreposition (LOUD) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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