Synonyms|53Antonyms|1|Broader|0Narrower|0Related|1
1
knotty point
1
nut to crack(expression, idiom)
1
perplexed question
1
perplexity
1
puzzlement
1
question mark
1
sixty-four dollar question(expression, idiom)
1
sticker
1
stickler(noun, challenge, doubt, question, problem)
1
teaser(noun, challenge, doubt, question, problem)
1
tough proposition
1
twister(noun, challenge, doubt, question, problem)
1
vexed question
1
why
0
brainteaser(noun, challenge, question, puzzle, example)
0
bugaboo(noun, challenge, question, puzzle, example)
0
challenge(noun, question, puzzle, mystery, conundrum)
0
cliff-hanger(noun, challenge, question, puzzle, example)
0
curiosity
0
illustration(noun, challenge, question, puzzle, example)
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APASmart Define. (2015). mind-boggler thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/mind-boggler/thesaurus/synonyms
ChicagoSmart Define. 2015. "mind-boggler thesaurus" https://smartdefine.org/mind-boggler/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, mind-boggler thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/mind-boggler/thesaurus/synonyms>.
MLASmart Define. "mind-boggler thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/mind-boggler/thesaurus/synonyms>