Brainteaser
//ˈbɹeɪnˌtizɚ// noun, slang
noun, slang ·Moderate ·College level
Definitions
Noun
- 1 A problem or puzzle devised to exercise the brain and mind. informal
"She bought me a book of brainteasers, which is both entertaining and also supposedly good for decreasing dementia risk."
- 2 Any difficult problem or puzzle. informal
"Trying to figure out how to square this circle is a brainteaser to say the least."
Example
More examples"She bought me a book of brainteasers, which is both entertaining and also supposedly good for decreasing dementia risk."
Etymology
From brain + teaser.
More for "brainteaser"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.