ritz /ɹɪts/noun 1verb 1forms 3phrases 1 noun1 •(informal) A display of ostentatious elegance. verb1 •(informal) To behave in an ostentatiously elegant manner.What would I do with them in the room except dream all night through of ritzing around the world with swells? — 1937 formsritzed · ritzing · ritzes Phrases with ritz put on the ritzto make a show of luxury and extravagance