143 entries under essential topic. ×

1
primitive(adjective, important, significant, original)
1
primordial(adjective, important, significant, original)
1
privation(need, requirement, prerequisite, essentiality)
1
quintessential(adjective, significant, basic, vital)
1
radical(adjective, important, significant, original)
1
rudimentary(adjective, important, significant, original)
1
significant(adjective, important, original, critical)
1
substratal(adjective, important, significant, original)
1
substrative(adjective, important, significant, original)
1
supporting(adjective, important, significant, original)
1
sustaining(adjective, important, significant, original)
1
theoretical(adjective, important, significant, original)
1
undeniability(need, requirement, prerequisite, essentiality)
1
underived(adjective, important, significant, original)
1
underlined(important, critical, basic, fundamental)
1
underlying(adjective, important, significant, original)
1
urgency(noun, right, want, need)
1
vital part(noun, expression, need, certainty)
1
vitals(need, requirement, prerequisite, essentiality)
1
wish(noun, right, want, requirement)
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APASmart Define. (2015). requisite thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/requisite/thesaurus/synonyms
ChicagoSmart Define. 2015. "requisite thesaurus" https://smartdefine.org/requisite/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, requisite thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/requisite/thesaurus/synonyms>.
MLASmart Define. "requisite thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/requisite/thesaurus/synonyms>