250 entries under difficulty topic. ×

1
hardship(noun, trouble, charge, worry, strain)
1
hazard(noun, trouble, pain, struggle)
1
headache(noun, trouble, concern, strain)
1
hesitancy(noun, trouble, concern, anxiety)
1
hindrance(noun, trouble, charge, worry, strain)
1
hitch(noun, trouble, pain, struggle)
1
hole(noun, trouble, condition, mess)
1
hot water(noun, expression, trouble, pain)
1
imbroglio(noun, trouble, change, worry)
1
incertitude(noun, trouble, concern, anxiety)
1
inconvenience(noun, trouble, worry, strain)
1
incredulity(noun, anxiety, confusion, doubt)
1
indecision(noun, trouble, concern, anxiety)
1
inscrutability(noun, question, secret, puzzle)
1
inscrutableness(noun, question, secret, puzzle)
1
irresolution(noun, trouble, concern, anxiety)
1
irritation(noun, trouble, worry, concern, strain)
1
juncture(noun, trouble, change, mess)
1
labor(noun, trouble, pain, struggle)
1
laboriousness(noun, trouble, pain, struggle)
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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>