7
indispensableness
6
necessity(noun, need, essential, requirement, prerequisite)
5
vitalness
3
essentiality(noun, need, essential, requirement, prerequisite)
3
needfulness(need, essential, requirement, prerequisite, inevitability)
2
claim(need, essential, requirement, prerequisite, essentiality)
2
compulsion(noun, need, essential, requirement, prerequisite)
2
urgency(noun, need, essential, requirement, prerequisite)
1
call(need, essential, requirement, prerequisite, essentiality)
1
cause(need, essential, requirement, prerequisite, essentiality)
1
demand(noun, need, essential, requirement, prerequisite)
1
desideratum(need, essential, requirement, prerequisite, inevitability)
1
duress(need, essential, requirement, prerequisite, essentiality)
1
essence(need, essential, requirement, prerequisite, essentiality)
1
essential(need, requirement, prerequisite, inevitability, essentiality)
1
essentialness
1
exaction(need, essential, requirement, prerequisite, essentiality)
1
exigency(noun, need, essential, requirement, prerequisite)
1
fundamental(need, essential, requirement, prerequisite, essentiality)
1
godsend(need, essential, requirement, prerequisite, essentiality)
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APASmart Define. (2013). indispensability thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/indispensability/thesaurus/synonyms
ChicagoSmart Define. 2013. "indispensability thesaurus" https://smartdefine.org/indispensability/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, indispensability thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/indispensability/thesaurus/synonyms>.
MLASmart Define. "indispensability thesaurus" 28 June 2013. Web. 20 September 2026. <https://smartdefine.org/indispensability/thesaurus/synonyms>