628 entries under noun topic. ×
| perplexity(trouble, worry, concern, strain) | |
| pickle(fix, worry, difficulty, distress) | |
| case(point, difficulty, line, issue) | |
| hitch(trouble, difficulty, weakness, informal) | |
| subject(study, trouble, worry, concern) | |
| bother(trouble, defeat, worry, concern) | |
| brain-teaser(trouble, challenge, puzzle) | |
| challenge(verb, difficulty, issue, question) | |
| nuisance(trouble, person, bother, worry) | |
| point(concern, difficulty, line, interest) | |
| stumper(trouble, difficulty, challenge, question) | |
| worry(trouble, defeat, concern, strain) | |
| can of worms(expression, idiom, trouble, easy) | |
| labyrinth(secret, complexity, maze) | |
| brainteaser(difficulty, challenge, question, secret) | |
| business(trouble, worry, concern, point) | |
| closed book(expression, trouble, challenge, question) | |
| crux(trouble, difficulty, burden, challenge) | |
| hindrance(trouble, check, worry, delay) | |
| mess(trouble, fix, worry, difficulty) |
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| APA | Smart Define. (2016). problem thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/problem/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "problem thesaurus" https://smartdefine.org/problem/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, problem thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/problem/thesaurus/synonyms>. |
| MLA | Smart Define. "problem thesaurus" 1 March 2016. Web. 22 September 2026. <https://smartdefine.org/problem/thesaurus/synonyms> |