85 entries under expression topic. ×

5
turning point(noun, idiom, support, trouble)
3
bottom line(noun, part, spirit, idea)
3
closed book(noun, trouble, challenge, question)
3
decisive point(noun, part, heart, root)
3
pons asinorum(idiom, difficulty)
2
Crux Australis(noun, idiom)
2
critical point(noun, trouble, difficulty, twist)
2
essential point
2
focal point(noun, support, point, emotion)
2
main point(noun, essence, profit, core)
2
main thing(noun, essence, profit, core)
2
nut to crack(idiom, secret)
2
sine qua non(noun, idiom, heart, essential)
2
sixty-four-thousand-dollar question(difficulty, question, secret, puzzle)
2
tough nut to crack(idiom, question, secret, puzzle)
1
be-all and end-all(noun, idiom, quality, character)
1
big trouble(noun, trouble, change, mess)
1
chief constituent(noun, quality, character, spirit)
1
chief ingredient(noun, support, action, base)
1
critical situation(noun, trouble, change, mess)
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APASmart Define. (2015). crux thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/crux/thesaurus/synonyms
ChicagoSmart Define. 2015. "crux thesaurus" https://smartdefine.org/crux/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, crux thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/crux/thesaurus/synonyms>.
MLASmart Define. "crux thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/crux/thesaurus/synonyms>