Synonyms of out of date in English:

out of date


See definition of out of date

adjective

1‘the precinct is out of date as a modern shopping centre’

SYNONYMS
old-fashioned, outmoded, out of fashion, unfashionable, frumpish, frumpy, out of style, outdated, dated, out, outworn, old, former, musty, old-time, old-world, behind the times, behindhand, past, bygone, archaic, obsolescent, obsolete, ancient, antiquated, superannuated
defunct, medieval, prehistoric, antediluvian, old-fogeyish, old-fangled, backward-looking, quaint, anachronistic, crusted, feudal, fusty, moth-eaten, olde worlde
démodé, vieux jeu, passé
informal old hat, square, not with it, out of the ark, creaky, clunky, mouldy
Northern English informal antwacky
North American informal horse-and-buggy, rinky-dink, mossy
archaic square-toed
ANTONYMS

modern, fashionable

2‘many of the facts in the book are now out of date’

SYNONYMS
superseded, obsolete, no longer current, no longer topical, stale, expired, extinct, lapsed, elapsed, run out, invalid, void, null and void
ANTONYMS

current