Unfashionable rhymes with:
fashionable, fashionable, actionable, fashionable, fissionable, impressionable, objectionable, unconscionable, unmentionable, abominable, actionable, determinable, fashionable, fissionable, imaginable, impressionable, inalienable, interminable, objectionable, personable, questionable, reasonable, seasonable, terminable, unconscionable, unmentionable, unquestionable