115 entries under difficulty topic. ×

1
misfortune(noun, trouble, burden, pain)
1
moment of truth(noun, expression, idiom, trouble, change)
1
muddle(noun, trouble, pain, struggle)
1
obstacle(noun, trouble, pain, struggle)
1
obstruction(noun, trouble, pain, struggle)
1
occult(question, secret, puzzle, obscurity)
1
oracle(question, secret, puzzle, obscurity)
1
pain(noun, trouble, burden, struggle)
1
painfulness(noun, trouble, pain, struggle)
1
pickle(noun, trouble, change, pain)
1
plight(noun, trouble, change, pass, join)
1
quagmire(noun, trouble, pain, struggle)
1
rebus(question, secret, puzzle, obscurity)
1
rune(question, secret, puzzle, obscurity)
1
scrape(noun, trouble, pain, struggle)
1
secrecy(question, secret, puzzle, obscurity)
1
sphinx(question, secret, puzzle, knot)
1
stew(noun, trouble, change, pain)
1
stickler(question, secret, puzzle, knot)
1
strain(noun, trouble, pain, struggle)
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APASmart Define. (2015). crux thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/crux/thesaurus/synonyms
ChicagoSmart Define. 2015. "crux thesaurus" https://smartdefine.org/crux/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, crux thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/crux/thesaurus/synonyms>.
MLASmart Define. "crux thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/crux/thesaurus/synonyms>