brainteaser
[ breyn-tee-zer ]
noun
a puzzle or problem whose solution requires great ingenuity.
Origin of brainteaser
1Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use brainteaser in a sentence
Fun fact: in business school, I got asked that exact brain teaser by some company (I can't remember who).
British Dictionary definitions for brain-teaser
brain-teaser
noun
informal a difficult problem
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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