theatreEnglishOxford English Thesaurustheatre noun 1 there's a good play on at the theatre: playhouse, auditorium, amphitheatre, hippodrome, coliseum. 2 (the theatre) what made you want to go into the theatre?: acting, performing; drama, the dramatic arts, dramaturgy, the thespian art, stagecraft, theatricals, theatrics; show business, the stage; informal the boards, show biz; rare thespianism, histrionics. 3 the lecture theatre: hall, room, auditorium. 4 over 200,000 American personnel were in the theatre of war by October: scene, arena, field/sphere/place of action; setting, site.theatre Oxford Dictionary of English