178 entries under noun topic. ×

11
essence(spirit, substance, system, significance)
10
core(quality, character, spirit, significance)
9
quibble(objection, complaint, equivocation, CC)
8
quintessence(quality, character, spirit, system)
7
heart(quality, character, spirit, significance)
7
pith(quality, character, spirit, significance)
7
substance(quality, character, spirit, significance)
6
haecceity
5
cavil(objection, complaint, equivocation, CC)
5
entity(nature, quality, character, spirit)
5
kernel(quality, character, spirit, significance)
4
nub(quality, character, spirit, significance)
4
gist(extract, essence, epitome, embodiment)
4
marrow(quality, character, spirit, significance)
4
meat(quality, character, spirit, significance)
4
nucleus(quality, character, spirit, significance)
4
point(quality, character, spirit, significance)
4
quirk(objection, complaint, equivocation, cavil)
4
soul(quality, character, spirit, significance)
4
stuff(quality, character, spirit, significance)
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APASmart Define. (2015). quiddity thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/quiddity/thesaurus/synonyms
ChicagoSmart Define. 2015. "quiddity thesaurus" https://smartdefine.org/quiddity/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, quiddity thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/quiddity/thesaurus/synonyms>.
MLASmart Define. "quiddity thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/quiddity/thesaurus/synonyms>