12
implanted(adjective, intrinsicality, inborn)
12
knee-jerk(adjective, inside, instinctive, interior, automatic)
11
essential(adjective, characteristic, natural, individual, basic)
11
elemental(adjective, characteristic, start, complete, intimate)
10
entrenched(adjective, set, complete, continue, true)
10
indwelling(adjective, characteristic, start, natural, fixed)
10
thorough(adjective, complete, true, full, fixed)
9
fixed(adjective, characteristic, set, complete, true)
9
hereditary(adjective, intrinsicality, inborn)
8
built-in(adjective, start, complete, natural, be)
8
chronic(adjective, set, fixed, established, hardened)
8
internal(adjective, characteristic, natural, essential, basic)
8
normal(adjective, characteristic, natural, usual, individual)
8
planted(adjective, fixed)
8
regular(adjective, characteristic, natural, usual, individual)
8
typical(adjective, characteristic, natural, individual, specific)
7
automatic(adjective, natural, inside, interior, within)
7
confirmed(verb, adjective, set, complete, continue)
7
constitutional(adjective, start, be, native, inherent)
6
basic
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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>