Synonyms|149Antonyms|1|Broader|5Narrower|0Related|47

18 entries under challenge topic. ×

5
problem(noun, worry, concern, question)
0
brainteaser(noun, question, puzzle, example)
0
cliff-hanger(noun, question, puzzle, example)
0
grabber(noun, question, puzzle, example)
0
illustration(noun, question, puzzle, example)
0
intricacy(noun, question, puzzle, example)
0
mind-boggler(noun, question, puzzle, example)
0
mystery(noun, question, puzzle, conundrum)
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poser(noun, question, puzzle, example)
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puzzle(noun, question, mystery, conundrum)
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puzzler(noun, question, puzzle, example)
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query(noun, question, puzzle, example)
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riddle(noun, question, puzzle, mystery)
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sixty-four thousand dollar question(noun, expression, idiom, question)
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stickler(noun, question, puzzle, mystery)
0
stumper(noun, question, puzzle, example)
0
teaser(noun, question, puzzle, example)
0
twister(noun, question, puzzle, mystery)
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APASmart Define. (2015). bugaboo thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/bugaboo/thesaurus/synonyms
ChicagoSmart Define. 2015. "bugaboo thesaurus" https://smartdefine.org/bugaboo/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, bugaboo thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/bugaboo/thesaurus/synonyms>.
MLASmart Define. "bugaboo thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/bugaboo/thesaurus/synonyms>