44 entries under primary topic. ×

1
bottom-line(adjective, important, significant, original, essential)
1
crucial(adjective, important, significant, original, essential)
1
first(adjective, important, significant, original, basic)
1
foundational(important, significant, original, basic, vital)
1
grass-roots(important, significant, original, basic, vital)
1
major(important, significant, original, basic, vital)
1
meat-and-potatoes(important, significant, original, basic, vital)
1
nitty-gritty(adjective, original, basic, absolute, fundamental)
1
nub(adjective, original, basic, absolute, fundamental)
1
paramount(important, significant, original, basic, vital)
1
prime(adjective, important, significant, original, essential)
1
primordial(important, significant, original, basic, vital)
1
requisite(important, significant, original, essential, basic)
1
significant(important, original, substantial, serious, basic)
1
structural(important, significant, original, basic, vital)
1
substratal(adjective, important, significant, original, essential)
1
substrative(important, significant, original, basic, vital)
1
supporting(important, significant, original, basic, vital)
1
sustaining(important, significant, original, basic, vital)
1
theoretical(important, significant, original, basic, vital)
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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>