Synonyms of outdated

1 Syllable
out, démodé, passé, old
2 Syllables
old-saw, frumpier, tired, dowdier, dated, has-been, frumpy, square, fogyish, dowdy, passer, hackneyed, archaic
3 Syllables
vintage, antique, outmoded, moth-eaten, demoded, old-fangled, out-of-date, unstylish, old-chestnut
4 Syllables
anachronous, old-fashioned, antiquated, out-of-style, obsolete
5 Syllables
unfashionable, superannuated