histrionic
adj. US //ˌhɪstɹiˈɑnɪk// UK //hˌɪstɹɪˈɒnɪk// histri·on·ic
Borrowed from Late Latin histriōnicus (“pertaining to acting; scurrilous, shameful; wretched”), from Latin histriōnicus (“pertaining to acting and the theatre”), from histriō (“actor, player”) + -icus (suffix meaning ‘of or pertaining to’). By surface analysis, histrion + -ic.