The word "hammier" is often used to describe a performance that is exaggerated or over-the-top, particularly in the context of acting or comedic routines. Some synonyms for this word include "unsubtle," "melodramatic," "overwrought," "ham-fisted," and "forced." Other similar terms might include "awkwardly intense," "caricatured," and "overacted." These words all suggest a performance style that is more concerned with making an impression than with subtlety or nuance. While some may consider a hammier performance to be entertaining or amusing, others may find it grating or even offensive. The appropriate use of such language will depend on the context and the audience involved.