Adj. | 1. | classy - elegant and fashionable; "classy clothes"; "a classy dame"; "a posh restaurant"; "a swish pastry shop on the Rue du Bac"- Julia Child colloquialism - a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech stylish, fashionable - having elegance or taste or refinement in manners or dress; "a little less posh but every bit as stylish as Lord Peter Wimsey"; "the stylish resort of Gstadd" |