72 entries under vital topic. ×

3
central(adjective, important, significant, original, essential)
3
chief(adjective, important, significant, capital, essential)
3
key(adjective, important, significant, original, essential)
3
paramount(adjective, important, significant, original, essential)
3
primary(adjective, important, significant, original, essential)
3
principal(adjective, important, significant, original, capital)
2
all-important(adjective, significant, essential, basic)
2
bottom-line(adjective, important, significant, original, essential)
2
compelling(adjective, significant, essential, basic)
2
de rigueur(expression, adjective, idiom, significant, essential)
2
exigent(adjective, significant, essential, basic)
2
necessitous(adjective, important, capital, essential)
2
prime(adjective, important, significant, original, essential)
2
unavoidable(adjective, significant, essential, basic)
2
wanted(adjective, important, significant, capital, essential)
1
axiological(adjective, important, significant, original, essential)
1
axiomatic(important, significant, original, basic)
1
basal(adjective, important, significant, original, essential)
1
bottom(adjective, important, significant, original, essential)
1
constitutional(adjective, important, significant, original, essential)
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APASmart Define. (2015). requisite thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/requisite/thesaurus/synonyms
ChicagoSmart Define. 2015. "requisite thesaurus" https://smartdefine.org/requisite/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, requisite thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/requisite/thesaurus/synonyms>.
MLASmart Define. "requisite thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/requisite/thesaurus/synonyms>