97 entries under basic topic. ×

3
elementary(adjective, top, important, significant, original)
3
overruling(adjective, importance, serious, essential)
2
all-important(adjective, important, significant, serious, essential)
2
amoebic(material, natural, living, functional)
2
biological(material, natural, living, functional)
2
biotic(material, natural, living, functional)
2
first(adjective, top, important, significant, original)
2
primitive(adjective, body, material, important, significant)
2
quintessential(adjective, important, significant, essential)
2
rudimentary(adjective, important, significant, original, essential)
2
wanted(adjective, important, significant, serious, essential)
1
anatomical(material, natural, living, functional)
1
axiological(adjective, important, significant, original, essential)
1
axiomatic(important, significant, original, primary)
1
basal(adjective, body, material, important, significant)
1
bottom(adjective, important, significant, original, essential)
1
bottom-line(adjective, important, significant, original, essential)
1
cellular(material, natural, living, functional)
1
elemental(adjective, body, material, important, significant)
1
foundational(adjective, important, significant, original, essential)
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APASmart Define. (2015). vital thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/vital/thesaurus/synonyms
ChicagoSmart Define. 2015. "vital thesaurus" https://smartdefine.org/vital/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, vital thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/vital/thesaurus/synonyms>.
MLASmart Define. "vital thesaurus" 2 November 2015. Web. 22 September 2026. <https://smartdefine.org/vital/thesaurus/synonyms>