Synonyms|17Antonyms|0|Broader|0Narrower|0Related|0
5
enigma
2
knot
1
crux
1
floorer
1
mind-boggler
1
mystery
1
perplexity
1
poser
1
problem
1
puzzle
1
puzzler
1
question
1
question mark
1
sticker
1
stumper
1
tough proposition
1
why
11 years ago|324 views|share |citing 
APASmart Define. (2015). brain twister thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/brain_twister/thesaurus/synonyms
ChicagoSmart Define. 2015. "brain twister thesaurus" https://smartdefine.org/brain_twister/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, brain twister thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/brain_twister/thesaurus/synonyms>.
MLASmart Define. "brain twister thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/brain_twister/thesaurus/synonyms>