10 letters · 15 points in Scrabble
adjective characteristic of acting or a stage performance; often affected
originBorrowed 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.
Etymology from Wiktionary, CC BY-SA 3.0