107 entries under basic topic. ×

3
critical(adjective, original, core, fundamental)
3
crucial(adjective, important, significant, original, essential)
3
integral(adjective, body, material, important, significant)
3
requisite(adjective, important, significant, original, essential)
2
anatomical(material, natural, living, functional)
2
axiological(adjective, important, significant, original, essential)
2
axiomatic(important, significant, original, vital)
2
biotic(material, natural, living, functional)
2
bottom-line(adjective, important, significant, original, essential)
2
compelling(adjective, significant, essential, vital)
2
intrinsic(adjective, important, significant, original, essential)
2
underived(adjective, important, significant, original, essential)
1
biological(material, natural, living, functional)
1
bottom(verb, adjective, support, base, important)
1
cellular(material, natural, living, functional)
1
complete(absolute, fundamental, mature, established)
1
constitutive(important, significant, original, serious)
1
grass-roots(adjective, important, significant, original, essential)
1
indispensable(adjective, important, significant, original, serious)
1
inherent(adjective, material, natural, absolute)
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APASmart Define. (2016). prime thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/prime/thesaurus/synonyms
ChicagoSmart Define. 2016. "prime thesaurus" https://smartdefine.org/prime/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, prime thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/prime/thesaurus/synonyms>.
MLASmart Define. "prime thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/prime/thesaurus/synonyms>