250 entries under difficulty topic. ×

1
apprehension(noun, worry, concern, anxiety)
1
arduousness(noun, trouble, pain, struggle)
1
asperity(noun, mess, hardship, jam)
1
ataxia(trouble, disorder, struggle, mess)
1
bad news(noun, expression, trouble, concern)
1
barricade(noun, trouble, pain, struggle)
1
braintwister(noun, question, secret, puzzle)
1
check(noun, trouble, pain, struggle)
1
chiller(noun, doubt, question, secret)
1
circumstance(noun, trouble, worry, mess)
1
cliffhanger(noun, question, secret, puzzle)
1
clutch(noun, fix, uncertainty, mess)
1
clutter(noun, trouble, disorder, confusion)
1
concern(noun, trouble, worry, strain)
1
condition(noun, trouble, mess, hardship)
1
confused state(expression, trouble, disorder, struggle)
1
contingency(noun, trouble, change, concern)
1
conviction questioning(expression, anxiety, confusion, doubt)
1
corner(noun, trouble, change, fix)
1
crossroad(noun, trouble, change, mess)
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APASmart Define. (2015). perplexity thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/perplexity/thesaurus/synonyms
ChicagoSmart Define. 2015. "perplexity thesaurus" https://smartdefine.org/perplexity/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, perplexity thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/perplexity/thesaurus/synonyms>.
MLASmart Define. "perplexity thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/perplexity/thesaurus/synonyms>