fashionable 1 antonyms and opposites of fashionable. Adj — In keeping with current trends and considered stylish. Synonyms for fashionable a la mode/à la mode all the rage chic sassy cool dapper done elegant groovy happening hip hep in in fashion jaunty modish natty on fleek on trend pizazzy spiffing spiffy styleworthy stylish smart tasteful snazzy tippy trendy voguish up-to-the-minute with-it zhoosh Antonyms for fashionable unfashionable ← Back to the full definition of fashionable