2
absence(noun, want, need, loss, reduction)
2
application(noun, order, interest, call, claim)
2
basis(noun, cause, reason, heart, essential)
2
burden(noun, trouble, force, understanding, right)
2
call for(noun, expression, order, interest, use)
2
coercion(noun, trouble, force, strain, burden)
2
custom(noun, help, benefit, practice, value)
2
dead certainty(expression, idiom, certainty)
2
depletion(noun, pass, difficulty, distress, failure)
2
dire
2
drag(noun, trouble, force, strain, difficulty)
2
exaction(noun, order, interest, use, call)
2
exiguity(noun, pass, difficulty, distress, failure)
2
extremity(noun, trouble, change, fix, pass)
2
famine(noun, pass, difficulty, distress, failure)
2
force majeure(expression, idiom, compulsion)
2
foredoom
2
foregone conclusion(expression, idiom, predetermination)
2
godsend(noun, need, essential, requirement, prerequisite)
2
ground(noun, cause, start, reason)
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APASmart Define. (2016). necessity thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/necessity/thesaurus/synonyms
ChicagoSmart Define. 2016. "necessity thesaurus" https://smartdefine.org/necessity/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, necessity thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/necessity/thesaurus/synonyms>.
MLASmart Define. "necessity thesaurus" 1 April 2016. Web. 22 September 2026. <https://smartdefine.org/necessity/thesaurus/synonyms>