Synonyms and related words :
Bohemian, back-number, beat, behind the times, breakaway, dated, far out, free and easy, fringy, has-been, heretical, heterodox, hippie, informal, kinky, maverick, not cricket, not done, not kosher, offbeat, old hat, old-fashioned, old-timey, oldfangled, original, out of fashion, out of season, out-of-date, outdated, outmoded, styleless, unconventional, unorthodox, way out