56 entries under original topic. ×

31
essential(adjective, characteristic, physical, material, important)
18
deep-seated(adjective, characteristic, natural, fixed)
17
constitutional(adjective, characteristic, close, start, important)
17
fundamental(adjective, characteristic, important, significant, natural)
15
elemental(adjective, characteristic, start, important, significant)
12
basic(adjective, characteristic, important, significant, natural)
10
organic(adjective, important, significant, natural)
9
integral(adjective, characteristic, important, significant)
8
underlying(adjective, important, significant, essential)
6
deep(adjective, essential, basic, intimate)
6
radical(adjective, important, significant, essential)
5
hidden(adjective, individual, basic, fundamental)
4
elementary(adjective, characteristic, important, significant, natural)
3
primary(adjective, important, significant, essential)
2
cardinal(adjective, important, significant, essential)
2
constitutive(adjective, important, significant, essential)
2
core(adjective, essential, basic, fundamental)
2
important(adjective, significant, substantial, serious)
2
indispensable(adjective, characteristic, important, significant, natural)
2
key(adjective, important, significant, essential)
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APASmart Define. (2016). intrinsic thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/intrinsic/thesaurus/synonyms
ChicagoSmart Define. 2016. "intrinsic thesaurus" https://smartdefine.org/intrinsic/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, intrinsic thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/intrinsic/thesaurus/synonyms>.
MLASmart Define. "intrinsic thesaurus" 31 March 2016. Web. 29 September 2026. <https://smartdefine.org/intrinsic/thesaurus/synonyms>