34 entries under noun topic. ×

4
why(trouble, show, difficulty, challenge)
3
mindboggler(difficulty, question, secret, puzzle)
3
mind-boggler(challenge, doubt, question, uncertainty)
3
mind-breaker(trouble, challenge, puzzle, riddle)
2
difficulty(question, problem, brain)
2
head-scratcher(trouble, show, difficulty, challenge)
2
perplexity(trouble, show, difficulty, challenge)
2
quandary(difficulty, question, problem, brain)
1
anagram(question, amusement, entertainment)
1
brain-twister(informal, question, entertainment)
1
cruncher(informal, question, problem)
1
facer(informal, question, problem)
1
stumper(informal, question, problem)
1
trick(question, puzzle, humour)
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APASmart Define. (2016). conundrum thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/conundrum/thesaurus/synonyms
ChicagoSmart Define. 2016. "conundrum thesaurus" https://smartdefine.org/conundrum/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, conundrum thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/conundrum/thesaurus/synonyms>.
MLASmart Define. "conundrum thesaurus" 1 April 2016. Web. 27 September 2026. <https://smartdefine.org/conundrum/thesaurus/synonyms>