70 entries under essential topic. ×

39
need(noun, verb, order, help, force)
32
requirement(noun, order, fix, understanding, pass)
22
demand(noun, force, desire, burden, call)
20
requisite(noun, condition, want, need)
17
want(noun, verb, order, fix, pass)
16
must(noun, force, understanding, right, condition)
16
prerequisite(noun, condition, want, need)
15
necessary(noun, want, need, basic)
14
compulsion(noun, force, understanding, drive, right)
14
exigency(noun, trouble, change, force, pass)
13
urgency(noun, trouble, change, force, fix)
12
pinch(noun, trouble, change, fix, pass)
12
inevitability(noun, need, fate, requirement)
12
obligation(noun, force, cause, right, reason)
12
sine qua non(noun, expression, idiom, condition, need)
11
condition(noun, concern, need, essence)
10
imperative(noun, adjective, need, obligation)
9
privation(noun, pass, difficulty, distress, failure)
8
call(noun, verb, order, help, understanding)
8
desideratum(noun, concern, want, need)
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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>