268 entries under difficulty topic. ×

6
knot(noun, puzzle, mystery, riddle)
6
puzzler(noun, challenge, question, disadvantage)
6
theme(noun, activity, study, work, point)
5
impediment(noun, trouble, check, delay, stay)
5
affair(noun, trouble, worry, concern, point)
5
bug(noun, weakness, fault, failing)
5
burden(noun, trouble, concern, point)
5
catch(noun, weakness, failing, hindrance)
5
cryptogram(noun, question, secret, puzzle)
5
drawback(noun, trouble, weakness, bar)
5
hassle(noun, trouble, bother, defeat)
5
obstruction(noun, check, delay, stay)
5
scrape(noun, fix, worry, distress)
5
vexation(noun, trouble, bother, worry, concern)
4
job(noun, trouble, worry)
4
inconvenience(noun, trouble, bother, worry, strain)
4
annoyance(noun, trouble, bother, worry, concern)
4
argument(noun, trouble, bother, concern, dispute)
4
conflict(noun, dispute, issue, disagreement)
4
count(noun, informal, issue, mess)
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APASmart Define. (2016). problem thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/problem/thesaurus/synonyms
ChicagoSmart Define. 2016. "problem thesaurus" https://smartdefine.org/problem/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, problem thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/problem/thesaurus/synonyms>.
MLASmart Define. "problem thesaurus" 1 March 2016. Web. 21 September 2026. <https://smartdefine.org/problem/thesaurus/synonyms>