37 entries under need topic. ×

12
essential(noun, condition, basic, requirement)
12
requirement(noun, condition, essential, certainty)
11
necessity(noun, condition, essential, essence)
11
prerequisite(noun, condition, essential, certainty)
11
requisite(noun, condition, essential, certainty)
9
must(noun, condition, essential, certainty)
8
fundamental(noun, part, essential, certainty)
8
precondition(noun, condition, essential, certainty)
4
demand(noun, condition, essential, requirement)
3
desideratum(noun, essential, requirement, prerequisite)
3
necessary(noun, essential, obligation, requirement)
3
obligation(noun, condition, essential, requirement)
2
essence(noun, condition, essential, certainty)
1
call(essential, requirement, prerequisite, essentiality)
1
cause(essential, requirement, prerequisite, essentiality)
1
claim(essential, requirement, prerequisite, essentiality)
1
compulsion(essential, requirement, prerequisite, essentiality)
1
duress(essential, requirement, prerequisite, essentiality)
1
essentiality(essential, requirement, necessity, quintessence)
1
exaction(essential, requirement, prerequisite, essentiality)
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APASmart Define. (2015). sine qua non thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/sine_qua_non/thesaurus/synonyms
ChicagoSmart Define. 2015. "sine qua non thesaurus" https://smartdefine.org/sine_qua_non/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, sine qua non thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/sine_qua_non/thesaurus/synonyms>.
MLASmart Define. "sine qua non thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/sine_qua_non/thesaurus/synonyms>