Synonyms and Antonyms of atavistic
- atavistic instincts
- reverting to atavistic behavior
antiquated, archaic, dated, démodé, demoded, fossilized, kaput (also kaputt), medieval (also mediaeval), moribund, mossy, moth-eaten, neolithic, Noachian, obsolete, outdated, outmoded, out-of-date, outworn, passé, prehistoric (also prehistorical), rusty, Stone Age, superannuated
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