To ham is defined as to overact.
To serve or function as a substitute for another:
To do too much; to exceed what is proper or true in doing; to exaggerate; to carry too far.
To act on the emotions of; touch or move.
To be greater than, as in number or degree; surpass:
Find another word for overacts. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for overacts, like: overplays, hams, acts, overdoes, affects, exaggerates and exceeds.