Synonyms|521Antonyms|71|Broader|11Narrower|5Related|212
1
indispensability(need, essential, requirement, prerequisite, essentiality)
1
indispensableness
1
inevitableness
1
inexorability(noun, requirement)
1
inexorable(adjective, required)
1
inexorableness(need, essential, requirement, prerequisite, essentiality)
1
intrinsic(adjective, important, significant, original, essential)
1
irreducible
1
irreductible
1
irreplaceable
1
joker
1
justified(correct, appropriate, proper, suitable, moral)
1
kicker
1
kosher(good, correct, fit, appropriate, fair)
1
lawful(adjective, correct, right, honest, fair)
1
legal(adjective, correct, right, honest, fair)
1
legit(good, correct, fit, appropriate, fair)
1
legitimate(adjective, correct, reasonable, appropriate, honest)
1
life-or-death(adjective, important, essential, critical, basic)
1
life or death(expression, idiom, need, essential, basic)
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APASmart Define. (2015). requisite thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/requisite/thesaurus/synonyms
ChicagoSmart Define. 2015. "requisite thesaurus" https://smartdefine.org/requisite/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, requisite thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/requisite/thesaurus/synonyms>.
MLASmart Define. "requisite thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/requisite/thesaurus/synonyms>