adj. 25B6; adjective (informal) FASHIONABLE, in fashion, in vogue, popular, (bang) up to date, up to the minute, modern, all the rage, modish, à la mode, trendsetting; stylish, chic, designer; informal cool, funky, in, the in thing, hot, big, hip, happening, sharp, groovy, snazzy, with it; N. Amer. informal tony, kicky.
unfashionable.