Is “Overact” a Scrabble word?
Yes
OVERACT
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Overact
/ˌəʊvəɹˈækt/
verb
1.To act in an exaggerated manner.
“He overacted his part.”
2.To act upon, or influence, unduly.
Synonyms: chew the scenery, ham, ham it up, melodramatize, tear a cat