Synonyms of antiquated

1 Syllable

out, passé, démodé, old

2 Syllables

old-saw, fusty, hoary, dowdy, early, dowdier, dated, oldie, has-been, old-school, castoff, time-worn, cast-off, aged, olden, moldy, hoarier, old-hat, well-worn, outworn, ancient, feudal, passer, hackneyed, archaic

3 Syllables

unstylish, antique, outmoded, medieval, disused, moth-eaten, timeworn, age-old, elderly, demode, decrepit, bygone, demoded, old-fangled, cliché-ridden, outdated, out-of-date, dinosaur, old-chestnut

4 Syllables

prehistoric, pre-historic, oldfashioned, proleptical, out-of-fashion, superseded, anachronous, old-fashioned, obsolescent, out-of-style, obsolete, yesterday's

5 Syllables

anachronistic, antediluvian, superannuated, unfashionable