Synonyms|98Antonyms|0|Broader|0Narrower|0Related|1
1
call(noun, need, essential, requirement, prerequisite)
1
cause(noun, need, essential, requirement, prerequisite)
1
claim(noun, need, essential, requirement, prerequisite)
1
compulsion(noun, need, essential, requirement, prerequisite)
1
demand(noun, need, essential, requirement, prerequisite)
1
desideratum(noun, need, essential, requirement, prerequisite)
1
duress(noun, need, essential, requirement, prerequisite)
1
essence(noun, need, essential, requirement, prerequisite)
1
essential(noun, adjective, important, need, serious)
1
essentiality(noun, need, essential, requirement, prerequisite)
1
exaction(noun, need, essential, requirement, prerequisite)
1
exigency(noun, need, essential, requirement, prerequisite)
1
fundamental(noun, adjective, need, essential, basic)
1
godsend(noun, need, essential, requirement, prerequisite)
1
imperative(noun, adjective, important, need, essential)
1
indispensability(noun, need, essential, requirement, prerequisite)
1
inevitability(noun, need, essential, requirement, prerequisite)
1
inexorableness(noun, need, essential, requirement, prerequisite)
1
life-or-death(adjective, critical, basic, vital, key)
1
must(noun, need, essential, requirement, prerequisite)
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APASmart Define. (1970). life or death thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/life_or_death/thesaurus/synonyms
ChicagoSmart Define. 1970. "life or death thesaurus" https://smartdefine.org/life_or_death/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 1970, life or death thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/life_or_death/thesaurus/synonyms>.
MLASmart Define. "life or death thesaurus" 1 January 1970. Web. 22 September 2026. <https://smartdefine.org/life_or_death/thesaurus/synonyms>