Synonyms of prehistoric in English:

prehistoric


See definition of prehistoric

adjective

1‘prehistoric times’

SYNONYMS
primitive, primeval, primordial, primal, earliest, ancient, early, antediluvian
rare pristine, primigenial

2‘the special effects in the film now look prehistoric’

SYNONYMS
out of date, outdated, outmoded, old-fashioned, passé, ancient, antiquated, archaic, antique, superannuated, anachronistic, outworn, behind the times, primitive, medieval, quaint, old-fangled, obsolescent, obsolete, antediluvian, fossilized
informal out of the ark, old hat, creaky, clunky, mouldy
Northern English informal antwacky
North American informal horse-and-buggy, mossy
ANTONYMS

modern