30 entries under instinctual topic. ×

6
spontaneous(adjective, natural, instinctive, automatic, involuntary)
6
unlearned(adjective, natural, instinctive, automatic, inherent)
6
unmeditated(adjective, natural, instinctive, automatic, involuntary)
6
unpremeditated(adjective, natural, instinctive, automatic, involuntary)
6
unprompted(adjective, natural, instinctive, automatic, inherent)
6
unthinking(adjective, natural, instinctive, automatic, inherent)
4
gut(adjective, intimate, secret, private, penetrating)
0
animal(primitive, intuitive)
0
primeval(primitive, intuitive)
0
primitive
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APASmart Define. (2015). ingrained thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/ingrained/thesaurus/synonyms
ChicagoSmart Define. 2015. "ingrained thesaurus" https://smartdefine.org/ingrained/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, ingrained thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/ingrained/thesaurus/synonyms>.
MLASmart Define. "ingrained thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/ingrained/thesaurus/synonyms>