Synonyms|53Antonyms|1|Broader|0Narrower|0Related|1

20 entries under challenge topic. ×

5
enigma(noun, question, problem, puzzle)
4
problem(noun, doubt, question, secret)
3
poser(noun, question, puzzle, example)
3
puzzle(noun, doubt, question, uncertainty)
3
puzzler(noun, doubt, question, problem)
2
mystery(noun, doubt, question, problem)
2
riddle(noun, doubt, question, problem)
2
stumper(noun, doubt, question, problem)
1
conundrum(noun, doubt, question, uncertainty)
1
grabber(noun, doubt, question, problem)
1
intricacy(noun, question, puzzle, example)
1
stickler(noun, doubt, question, problem)
1
teaser(noun, doubt, question, problem)
1
twister(noun, doubt, question, problem)
0
brainteaser(noun, question, puzzle, example)
0
bugaboo(noun, question, puzzle, example)
0
cliff-hanger(noun, question, puzzle, example)
0
illustration(noun, question, puzzle, example)
0
query(noun, doubt, question, uncertainty)
0
sixty-four thousand dollar question(noun, expression, idiom, question)
For more, visit Mind-boggler on Power Thesaurus
11 years ago|428 views|share |citing 
APASmart Define. (2015). mind-boggler thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/mind-boggler/thesaurus/synonyms
ChicagoSmart Define. 2015. "mind-boggler thesaurus" https://smartdefine.org/mind-boggler/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, mind-boggler thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/mind-boggler/thesaurus/synonyms>.
MLASmart Define. "mind-boggler thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/mind-boggler/thesaurus/synonyms>