IPA: /ˌoʊvərˈɛmˌfætɪk/
KK: /oʊvərˈɛmˌfætɪk/
Describing something that is expressed with too much emphasis or intensity, often in a way that seems exaggerated.
The actor's overemphatic gestures made the performance feel less genuine.
Comparative: more overemphatic
Superlative: most overemphatic
Overemphatic → It is formed from "over-" (meaning excessively) and "emphatic" (from Greek "emphatikos", meaning expressive or forceful). The word "overemphatic" means excessively forceful or expressive in manner or speech.
Think of being 'excessive' ('over-') in your 'expressiveness' ('emphatic') — that's why overemphatic means being very forceful in expression.