240 entries under noun topic. ×

6
desideratum(right, concern, demand, want)
6
heart(support, action, base, importance)
5
precondition(concern, condition, need, basic)
5
proviso(adjective, form, fix, pass)
5
stipulation(form, fix, pass, position)
5
stuff(basic, necessity, substantiality)
4
particular(adjective, drop, material, element)
4
characteristic(adjective, feature, quality, reasonable)
4
cornerstone(element, foundation, keystone, kingpin)
4
keystone(support, action, base, importance)
4
nitty-gritty(adjective, important, critical, essence)
4
obligation(right, want, need, certainty)
4
part and parcel(expression, idiom, drop, part)
4
quintessence(basic, necessity, intrinsicality)
4
want(verb, right, concern, demand)
3
axiom(support, action, base, beginning)
3
base(support, action, part, beginning)
3
importance(importance, whole, intrinsicality)
3
kernel
3
necessaries(inevitability, needfulness)
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APASmart Define. (2016). essential thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/essential/thesaurus/synonyms
ChicagoSmart Define. 2016. "essential thesaurus" https://smartdefine.org/essential/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, essential thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/essential/thesaurus/synonyms>.
MLASmart Define. "essential thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/essential/thesaurus/synonyms>