974 entries under noun topic. ×

6
controversy(activity, trouble, bother, excitement)
6
demur(issue, dislike, challenge, doubt)
6
dispute(activity, break, trouble, bother)
6
enigma(trouble, challenge, question, secret)
6
grief(trouble, ruin, worry, blow)
6
handicap(trouble, disorder, weakness, bar)
6
hardness(discipline, severity, harshness, toughness)
6
involvement(trouble, disorder, confusion, struggle)
6
mystery(trouble, issue, challenge, question)
6
quarrel(activity, action, trouble, bother)
6
spot(trouble, place, fix, worry)
6
straits(trouble, pass, distress, failure)
6
weight(trouble, force, charge, worry)
5
difficulties
5
abstruseness(question, secret, puzzle, subtlety)
5
aggravation(upset, trouble, bother, worry)
5
altercation(activity, trouble, bother, excitement)
5
anxiety(trouble, worry, concern, strain)
5
bar(trouble, disorder, block, weakness)
5
barrier(disorder, block, weakness, restraint)
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APASmart Define. (2015). difficulty thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/difficulty/thesaurus/synonyms
ChicagoSmart Define. 2015. "difficulty thesaurus" https://smartdefine.org/difficulty/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, difficulty thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/difficulty/thesaurus/synonyms>.
MLASmart Define. "difficulty thesaurus" 23 December 2015. Web. 24 September 2026. <https://smartdefine.org/difficulty/thesaurus/synonyms>