archaic
ancient, antiquated, antique, behind the times, bygone, obsolete, old, olden (archaic) old-fashioned, old hat, outmoded, out of date, passé, primitive, superannuated
Antonyms
contemporary, current, fresh, latest, modern, modish, new, newfangled, novel, present, recent, state-of-the-art, up-to-date, up-to-the-minute, with it (informal)