Synonyms and Antonyms of outdated
- an outdated rotary telephone
antiquated, archaic, dated, démodé, demoded, fossilized, kaput (also kaputt), medieval (also mediaeval), moribund, mossy, moth-eaten, neolithic, Noachian, obsolete, out-of-date, outmoded, outworn, passé, prehistoric (also prehistorical), rusty, Stone Age, superannuated
aging (or ageing), obsolescent
discarded, disused, inoperable, unusable, unworkable, useless
dead, defunct, expired, extinct, vanished
dormant, fallow, free, idle, inactive, inert, inoperative, latent
ancient, antediluvian, antique, dateless, fusty, musty, old
oldfangled, old-fashioned, old-time, retro, vintage
aged, age-old, hoary, venerable
atavistic, bygone, erstwhile, former, historic, historical, late, old-world, past