126 entries under core topic. ×

3
quiddity(noun, quality, character, spirit, significance)
3
root(noun, support, action, quality, cause)
3
significance(noun, quality, body, character, strength)
3
soul(noun, force, quality, cause, start)
2
focal point(noun, expression, support, point, emotion)
2
main point(noun, expression, essence, profit)
2
main thing(noun, expression, essence, profit)
2
meaning(noun, quality, character, strength, spirit)
2
polestar(noun, emotion, heart, soul, mood)
2
principle(noun, support, action, quality, character)
2
purpose(noun, emotion, meaning, mood, temperament)
2
sine qua non(noun, expression, idiom, heart, essential)
2
upshot(noun, effect, meaning, heart, essence)
1
aspect(noun, quality, character, spirit, significance)
1
attribute(noun, quality, character, spirit, significance)
1
backbone(noun, support, action, quality, character)
1
be-all and end-all(noun, expression, idiom, quality, character)
1
being(noun, quality, character, spirit, significance)
1
bottom(noun, quality, cause, start, character)
1
burden(noun, quality, body, character, strength)
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APASmart Define. (2015). crux thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/crux/thesaurus/synonyms
ChicagoSmart Define. 2015. "crux thesaurus" https://smartdefine.org/crux/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, crux thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/crux/thesaurus/synonyms>.
MLASmart Define. "crux thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/crux/thesaurus/synonyms>