• IPA: /ˌəʊvəɹˈækt/

overact (overacts, present participle overacting; past and past participle overacted)

1. (acting) To act in an exaggerated manner.

   He overacted his part.

2. (obsolete, transitive) To act upon, or influence, unduly.
   • 1670, John Milton, The History of Britain, […] , London: Printed by J.M. for James Alleſtry, […] , OCLC 78038412 ↗:

     The hope of inheritance overacts them.

• chew the scenery, ham, ham it up, melodramatize, tear a cat

• German: übertrieben spielen, übertreiben
• Portuguese: exagerar
• Russian: переигрывать