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conundrum(noun, trouble, puzzle, riddle)
56 years ago|0 views|share |citing 
APASmart Define. (1970). mind-breaker thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/mind-breaker/thesaurus/synonyms
ChicagoSmart Define. 1970. "mind-breaker thesaurus" https://smartdefine.org/mind-breaker/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 1970, mind-breaker thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/mind-breaker/thesaurus/synonyms>.
MLASmart Define. "mind-breaker thesaurus" 1 January 1970. Web. 28 September 2026. <https://smartdefine.org/mind-breaker/thesaurus/synonyms>