33 entries under difficulty topic. ×
| enigma(noun, trouble, show, challenge) | |
| conundrum(noun, trouble, show, challenge) | |
| mystery(noun, trouble, show, challenge) | |
| puzzle(noun, trouble, show, challenge) | |
| problem(noun, trouble, challenge, question) | |
| poser(noun, trouble, challenge, question) | |
| question(noun, secret, puzzle, obscurity) | |
| brainteaser(noun, challenge, question, secret) | |
| charade(noun, question, secret, puzzle) | |
| rebus(noun, question, secret, puzzle) | |
| whodunit(noun, question, secret, puzzle) | |
| cryptogram(noun, question, secret, puzzle) | |
| teaser(noun, challenge, question, problem) | |
| puzzler(noun, show, challenge, question) | |
| stickler(noun, challenge, question, problem) | |
| stumper(noun, challenge, question, problem) | |
| twister(noun, challenge, question, problem) | |
| abstruseness(question, secret, puzzle, obscurity) | |
| braintwister(question, secret, puzzle, obscurity) | |
| chiller(question, secret, puzzle, obscurity) |
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| APA | Smart Define. (2016). riddle thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/riddle/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "riddle thesaurus" https://smartdefine.org/riddle/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, riddle thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/riddle/thesaurus/synonyms>. |
| MLA | Smart Define. "riddle thesaurus" 1 April 2016. Web. 20 September 2026. <https://smartdefine.org/riddle/thesaurus/synonyms> |