Synonyms of anachronistic

1 Syllable
out, gone, dead, passé, old
2 Syllables
stale, kaput, dated, dusty, has-been, old-school, fossil, moldy, extinct, old-hat, outworn, ancient, archaic
3 Syllables
antique, outmoded, discarded, disused, moth-eaten, timeworn, bygone, out-of-date, dinosaur
4 Syllables
out-of-fashion, superseded, old-fashioned, antiquated, obsolete, untimely
5 Syllables
antediluvian, superannuated, unfashionable