American English

Definition of overact verb from the Oxford Advanced American Dictionary



[intransitive, transitive] overact (something) (disapproving)Verb Forms present simple I / you / we / they overact
he / she / it overacts
past simple overacted
-ing form overacting
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to behave in a way that is exaggerated and not natural, especially when you are acting a part in a play
See the Oxford Advanced Learner's Dictionary entry: overact