Antonyms of adj in_style

1 sense of in style

Sense 1
latest, a la mode (predicate), in style (predicate), in vogue (predicate), modish -- (in the current fashion or style)

INDIRECT (VIA fashionable) -> unfashionable, unstylish -- (not in accord with or not following current fashion; "unfashionable clothes"; "melodrama of a now unfashionable kind")

Similarity of adj in_style

1 sense of in style

Sense 1
latest, a la mode (predicate), in style (predicate), in vogue (predicate), modish -- (in the current fashion or style)
       => fashionable (vs. unfashionable), stylish -- (being or in accordance with current social fashions; "fashionable clothing"; "the fashionable side of town"; "a fashionable cafe")