99 entries under vital topic. ×

10
wanted(adjective, important, capital, essential)
8
chief(adjective, big, important, significant, substantial)
8
critical(adjective, big, important, significant, substantial)
7
prime(adjective, body, material, important, significant)
6
decisive(adjective, important, substantial, valuable, essential)
6
momentous(adjective, important, substantial, valuable, essential)
6
paramount(adjective, important, significant, original, substantial)
5
central(adjective, important, significant, original, essential)
5
elementary(adjective, easy, important, significant, original)
5
integral(adjective, body, material, important, significant)
5
necessitous(adjective, important, capital, essential)
5
primary(adjective, body, material, big, important)
4
basal(adjective, body, material, important, significant)
4
of the essence(expression, adjective, idiom, important, essential)
4
underlying(adjective, important, significant, original, essential)
3
bottom-line(adjective, important, significant, original, essential)
3
called-for(adjective, important, serious, essential, critical)
3
elemental(adjective, body, material, important, significant)
3
influential(adjective, great, big, important, significant)
3
intrinsic(adjective, important, significant, original, essential)
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APASmart Define. (2015). necessary thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/necessary/thesaurus/synonyms
ChicagoSmart Define. 2015. "necessary thesaurus" https://smartdefine.org/necessary/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, necessary thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/necessary/thesaurus/synonyms>.
MLASmart Define. "necessary thesaurus" 2 November 2015. Web. 28 September 2026. <https://smartdefine.org/necessary/thesaurus/synonyms>