0 past simple and past participle of overact --
1 to make your voice and movements express emotions too strongly when acting in a play, etc. --
It's overplayed, overacted, and over-goofy.
He acted every song; often he overacted it, sometimes he all but clowned it.
The screenplay and direction are lugubrious, as the characters march in their overwritten and often overacted roles toward a foregone conclusion.
