55 entries under essential topic. ×

51
inherent(adjective, characteristic, close, start, natural)
47
innate(adjective, characteristic, start, natural, fixed)
34
ingrained(adjective, characteristic, start, natural, fixed)
29
inborn(adjective, characteristic, start, natural, fixed)
24
congenital(adjective, characteristic, start, natural, fixed)
22
inner(adjective, characteristic, intimate, private)
22
internal(adjective, characteristic, close, natural, heart)
20
inbred(adjective, characteristic, start, natural, fixed)
18
deep-seated(adjective, characteristic, natural, original, fixed)
17
constitutional(adjective, characteristic, close, start, important)
17
fundamental(adjective, characteristic, important, significant, natural)
16
intimate(adjective, characteristic, close, heart, affected)
15
elemental(adjective, characteristic, start, important, significant)
12
basic(adjective, characteristic, important, significant, natural)
12
indwelling(adjective, characteristic, start, natural, fixed)
11
inmost(adjective, basic, intimate, fundamental)
10
true(adjective, physical, material, basic)
9
real(adjective, material, natural, basic)
8
underlying(adjective, important, significant, original)
6
deep(adjective, original, basic, intimate)
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APASmart Define. (2016). intrinsic thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/intrinsic/thesaurus/synonyms
ChicagoSmart Define. 2016. "intrinsic thesaurus" https://smartdefine.org/intrinsic/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, intrinsic thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/intrinsic/thesaurus/synonyms>.
MLASmart Define. "intrinsic thesaurus" 31 March 2016. Web. 28 September 2026. <https://smartdefine.org/intrinsic/thesaurus/synonyms>