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/ˈbɹeɪnˌtizɚ/ · noun
(informal) A problem or puzzle devised to exercise the brain and mind..
She bought me a book of brainteasers, which is both entertaining and also supposedly good for decreasing dementia risk.
Trying to figure out how to square this circle is a brainteaser to say the least.
Use brain teaser when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Brain teaser means (informal) A problem or puzzle devised to exercise the brain and mind..
Common synonyms include brain-tickler, stumper, puzzler, enigma.
The opposite depends on the specific sense.
She bought me a book of brainteasers, which is both entertaining and also supposedly good for decreasing dementia risk.
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