What are the opposite words for over-act?

Over-act is a term used to describe a situation where someone is exaggerating their behavior or emotions, either in a theatrical or a natural setting. Antonyms for over-act would be the opposite, meaning to behave or express oneself in a calm and measured way. Some words that could be considered antonyms for over-act are underact, restrain, and temper. Underacting means to show less expression or emotion, while restraining oneself involves showing restraint or self-control. Tempering one's behavior implies that they are acting in moderation, without going too far in any direction. These antonyms for over-act are useful for individuals who wish to communicate in a more genuine and authentic manner without attracting undue attention or scrutiny.