152 entries under adjective topic. ×

8
physical(bodily, inward)
8
stomachic(stomach, intestinal, intestine, pertaining to)
8
ventral(stomach, intestinal, intestine, pertaining to)
7
inborn(characteristic, natural, essential, intimate)
7
inbred(characteristic, natural, essential, intimate)
7
bowel(noun, stomach, intestinal)
7
core(noun, inside, interior, inner)
7
heart(noun, inside, interior, inner)
7
indigenous(characteristic, natural, heart, essential)
6
autogenous(inside, central, interior, inner)
6
deep(intimate, secret, private, personal)
6
endogenous(inside, central, interior, inner)
6
esoteric(secret, private, mental, inner)
6
individual(private, mental, inner)
6
indoor
6
instinctive(gut, intuitive, intrinsicality)
6
intuitive(private, mental, interior, inner)
6
psychological(private, mental, inner)
6
remote(inside, central, interior, inner)
6
restricted(secret, prearranged, cliquish, confidential)
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APASmart Define. (2015). internal thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/internal/thesaurus/synonyms
ChicagoSmart Define. 2015. "internal thesaurus" https://smartdefine.org/internal/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, internal thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/internal/thesaurus/synonyms>.
MLASmart Define. "internal thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/internal/thesaurus/synonyms>