The Vocalibrate dictionary

histrionic

US/ˌhɪstriˈɑːnɪk/GB/ˌhɪstriˈɒnɪk/adjective

overly dramatic and emotional, to get attention

His histrionic sobbing over a scratched car embarrassed everyone.

Near in meaning: melodramatictheatricaloverdramaticdramatic
In the family: histrionics

More words worth knowing

spuriousfalse or fake, though made to seem genuine faciletoo simple; not showing careful thought hermeticcompletely sealed so that no air can get in or out pusillanimoustimid and cowardly; without courage visceralfelt deeply in the body, as instinct rather than thought ersatzmade as a poor substitute for the real thing