stone age Synonyms

stone ages dark ages outmoded old-hat back-number age-old superseded superannuated rusty retrograde out-of-date behind the times backward-looking into the stone age in the stone age from the stone age prehistoric period prehistorical old-fangled oldfangled clunky unfashionable quaint primitive prehistoric bygone backward archaic antique antiquated antediluvian ancient anachronistic aged dated era extinct outdated old-fashioned obsolete obsolescent obscure neolithic medieval mediaeval lithic age