56 entries under original topic. ×

2
main(adjective, essential, basic, absolute)
2
necessary(adjective, important, significant, essential)
2
primitive(adjective, important, significant, essential)
2
principal(adjective, important, significant, essential)
1
axiological(important, significant, basic, vital)
1
axiomatic(important, significant, basic, vital)
1
basal(adjective, important, significant, essential)
1
bottom(adjective, important, significant, essential)
1
bottom-line(adjective, important, significant, essential)
1
critical(adjective, essential, basic, fundamental)
1
crucial(adjective, important, significant, essential)
1
first(adjective, important, significant, basic)
1
foundational(important, significant, basic, vital)
1
grass-roots(important, significant, basic, vital)
1
lurking(adjective, basic, fundamental, hidden)
1
major(important, significant, basic, vital)
1
meat-and-potatoes(important, significant, basic, vital)
1
nitty-gritty(adjective, basic, absolute, fundamental)
1
nub(adjective, basic, absolute, fundamental)
1
paramount(important, significant, basic, vital)
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APASmart Define. (2016). intrinsic thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/intrinsic/thesaurus/synonyms
ChicagoSmart Define. 2016. "intrinsic thesaurus" https://smartdefine.org/intrinsic/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, intrinsic thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/intrinsic/thesaurus/synonyms>.
MLASmart Define. "intrinsic thesaurus" 31 March 2016. Web. 30 September 2026. <https://smartdefine.org/intrinsic/thesaurus/synonyms>