99 entries under vital topic. ×

3
primitive(adjective, body, material, important, significant)
3
serious(adjective, big, important, significant, substantial)
2
big(adjective, great, significant, substantial, large)
2
bottom(adjective, important, significant, original, essential)
2
capital(adjective, important, serious, essential, critical)
2
considerable(big, significant, substantial, valuable)
2
importunate(big, important, significant, substantial, serious)
2
material(adjective, big, significant, substantial, valuable)
2
relevant(adjective, clear, sound, reasonable, sensible)
2
weighty(big, important, significant, substantial, valuable)
1
axiological(adjective, important, significant, original, essential)
1
axiomatic(important, significant, original, basic)
1
big-league(significant, imperative)
1
conspicuous(significant, imperative)
1
constitutional(adjective, body, material, important, significant)
1
constitutive(important, original, capital, essential, critical)
1
determining(big, significant, substantial, valuable)
1
earnest(big, significant, substantial, valuable)
1
esteemed(significant, imperative)
1
extensive(big, significant, substantial, valuable)
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APASmart Define. (2015). necessary thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/necessary/thesaurus/synonyms
ChicagoSmart Define. 2015. "necessary thesaurus" https://smartdefine.org/necessary/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, necessary thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/necessary/thesaurus/synonyms>.
MLASmart Define. "necessary thesaurus" 2 November 2015. Web. 29 September 2026. <https://smartdefine.org/necessary/thesaurus/synonyms>