6
implicit(adjective, intrinsic)
6
impulsive(adjective, natural, instinctive, automatic, involuntary)
6
indelible(adjective, indestructible)
6
inherited(adjective, intrinsicality)
6
involuntary(adjective, natural, instinctive, automatic, reflex)
6
mechanical(adjective, natural, established, instinctive, automatic)
6
reflex(adjective, natural, inside, interior, automatic)
6
secret(adjective, intimate, private, penetrating, personal)
6
set(adjective, continue)
6
spontaneous(adjective, natural, instinctive, automatic, involuntary)
6
unalienable(adjective, intrinsic)
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)
5
embedded(adjective, entrenched)
5
immanent(adjective, intrinsicality)
5
ineradicable(adjective, set, continue, fixed, hardened)
5
ingrain
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APASmart Define. (2015). ingrained thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/ingrained/thesaurus/synonyms
ChicagoSmart Define. 2015. "ingrained thesaurus" https://smartdefine.org/ingrained/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, ingrained thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/ingrained/thesaurus/synonyms>.
MLASmart Define. "ingrained thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/ingrained/thesaurus/synonyms>