overdramatic

/ˌoʊvərdrəˈmætɪk/
adjective
  1. Behaving or reacting in a way that is more emotional or exaggerated than necessary.
    • His overdramatic reaction to a small scratch made everyone laugh.
    • She gave an overdramatic sigh when she heard the news.
    • The movie critic said the actor's performance was too overdramatic.
Antonyms