UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˌəʊvərˈækt/US:USA pronunciation: IPA and respellingUSA pronuncation: IPA/ˌoʊvɚˈækt/ ,USA pronunciation: respelling(ō′vər akt)

WordReference Random House Learner's Dictionary of American English © 2020
o•ver•act /ˌoʊvɚˈækt/USA pronunciation   v. 
  1. Show Businessto perform (a role) in an exaggerated manner: [+ object]The hero in the play overacted the role.[no object]guilty of overacting.

WordReference Random House Unabridged Dictionary of American English © 2020
o•ver•act  (ō′vər akt),USA pronunciation v.t., v.i. 
  1. to act in an exaggerated manner.
o′ver•action, n. 
  • over- + act 1605–15

Collins Concise English Dictionary © HarperCollins Publishers::
overact /ˌəʊvərˈækt/ vb
  1. to act or behave in an exaggerated manner, as in a theatrical production
    Also: overplay
'overact' also found in these entries:

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