76 entries under vital topic. ×

2
wanted(adjective, important, significant, serious, capital)
1
all-important(adjective, important, significant, serious, essential)
1
axiological(important, significant, original, basic)
1
axiomatic(important, significant, original, basic)
1
bottom(adjective, important, significant, original, essential)
1
capital(important, essential, key, earnest)
1
constitutional(characteristic, important, significant, original, essential)
1
constitutive(important, capital, essential, critical, basic)
1
decisive(adjective, important, significant, essential, critical)
1
first(important, significant, original, serious, basic)
1
foundational(important, significant, original, basic)
1
grass-roots(important, significant, original, basic)
1
major(important, significant, original, basic)
1
meat-and-potatoes(important, significant, original, essential, critical)
1
meat and potatoes(expression, idiom, important, significant)
1
momentous(adjective, important, significant, substantial, serious)
1
original(characteristic, important, significant, essential, basic)
1
prime(adjective, important, significant, original, serious)
1
primitive(adjective, important, significant, original, essential)
1
primordial(important, significant, original, basic)
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APASmart Define. (2015). indispensable thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/indispensable/thesaurus/synonyms
ChicagoSmart Define. 2015. "indispensable thesaurus" https://smartdefine.org/indispensable/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, indispensable thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/indispensable/thesaurus/synonyms>.
MLASmart Define. "indispensable thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/indispensable/thesaurus/synonyms>