102 entries under essential topic. ×

2
wanted(adjective, important, significant, serious)
1
axiological(adjective, important, significant, original)
1
basal(adjective, body, material, important, significant)
1
bottom(adjective, important, significant, original)
1
bottom-line(adjective, important, significant, original)
1
clamant(adjective, important, serious, critical)
1
clamorous(adjective, important, serious, critical)
1
coal-and-ice(adjective, important, fundamental, renowned)
1
controlling(adjective, top, core, key)
1
crying(adjective, important, serious, critical)
1
elemental(adjective, body, material, important, significant)
1
foundational(adjective, important, significant, original)
1
grass-roots(adjective, important, significant, original)
1
importunate(adjective, big, important, significant, substantial)
1
inherent(adjective, material, natural, basic)
1
instant(adjective, important, serious, critical)
1
intrinsic(adjective, important, significant, natural, original)
1
meat-and-potatoes(adjective, important, significant, original)
1
name-of-the-game(adjective, important, fundamental, renowned)
1
necessitous(important, fundamental, reliable, necessary)
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APASmart Define. (2015). vital thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/vital/thesaurus/synonyms
ChicagoSmart Define. 2015. "vital thesaurus" https://smartdefine.org/vital/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, vital thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/vital/thesaurus/synonyms>.
MLASmart Define. "vital thesaurus" 2 November 2015. Web. 27 September 2026. <https://smartdefine.org/vital/thesaurus/synonyms>