Antonyms of adj stylish

2 senses of stylish

Sense 1
stylish (vs. styleless), 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")

styleless (vs. stylish), unstylish -- (lacking in style or elegance; "a styleless way of dressing"; "expensive but styleless country tweeds"; "wearing unstylish clothes")
        => dowdy -- (lacking in smartness or taste; "a dowdy grey outfit"; "a clean and sunny but completely dowdy room")

Sense 2
fashionable (vs. unfashionable), stylish -- (being or in accordance with current social fashions; "fashionable clothing"; "the fashionable side of town"; "a fashionable cafe")


Similarity of adj stylish

2 senses of stylish

Sense 1
stylish (vs. styleless), 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")
       => chic, smart, voguish -- (elegant and stylish; "chic elegance"; "a smart new dress"; "a suit of voguish cut")
       => chichi -- (affectedly trendy and fashionable)
       => classy, posh, swish -- (elegant and fashionable; "classy clothes"; "a classy dame"; "a posh restaurant"; "a swish pastry shop on the Rue du Bac"- Julia Child)
       => snazzy -- (flashily stylish; "a snazzy outfit")

Sense 2
fashionable (vs. unfashionable), stylish -- (being or in accordance with current social fashions; "fashionable clothing"; "the fashionable side of town"; "a fashionable cafe")
       => latest, a la mode (predicate), in style (predicate), in vogue (predicate), modish -- (in the current fashion or style)
       => cool -- (fashionable and attractive at the time; often skilled or socially adept; "he's a cool dude"; "that's cool"; "Mary's dress is really cool"; "it's not cool to arrive at a party too early")
       => dapper, dashing, jaunty, natty, raffish, rakish, spiffy, snappy, spruce -- (marked by up-to-dateness in dress and manners; "a dapper young man"; "a jaunty red hat")
       => faddish, faddy -- (intensely fashionable for a short time)
       => groovy, swagger -- ((British informal) very chic; "groovy clothes")
       => in -- (currently fashionable; "the in thing to do"; "large shoulder pads are in")
       => up-to-date, cutting-edge, with-it -- (in accord with the most fashionable ideas or style; "wears only the latest style"; "the last thing in swimwear"; "cutting-edge technology"; "a with-it boutique")
       => mod, modern, modernistic -- (relating to a recently developed fashion or style; "their offices are in a modern skyscraper"; "tables in modernistic designs";)
       => old-time, quaint, olde worlde -- (attractively old-fashioned (but not necessarily authentic); "houses with quaint thatched roofs"; "a vaulted roof supporting old-time chimney pots")
       => swank, swanky -- (imposingly fashionable and elegant; "a swank apartment")
       => trendsetting, trend-setting -- (initiating or popularizing a trend)
       => trendy, voguish -- (in accord with the latest fad; "trendy ideas"; "trendy clothes"; "voguish terminology")