1
austere(adjective, simple, rough, crude, basic)
1
autochthonous
1
born
1
brutish(adjective, simple, rough, crude, basic)
1
childlike(adjective, simple, rough, crude, basic)
1
coeval
1
connatal
1
connate
1
connatural
1
constitutional
1
early
1
humanoid
1
in the blood(expression, idiom)
1
inbred
1
incarnate
1
indigenous
1
instinctive
1
instinctual
1
naive(adjective, simple, rough, crude, basic)
1
native
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APASmart Define. (2015). atavistic thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/atavistic/thesaurus/synonyms
ChicagoSmart Define. 2015. "atavistic thesaurus" https://smartdefine.org/atavistic/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, atavistic thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/atavistic/thesaurus/synonyms>.
MLASmart Define. "atavistic thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/atavistic/thesaurus/synonyms>