Definition of overact verb from the Oxford Advanced American Dictionary

 

overact

 verb
verb
NAmE//ˌoʊvərˈækt//
 
[intransitive, transitive]overact (something)(disapproving)Verb Forms present simple I / you / we / they overact
 
he / she / it overacts
 
past simple overacted
 
-ing form overacting
 
 
jump to other results
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