brainteaser

[breyn-tee-zer]

noun

a puzzle or problem whose solution requires great ingenuity.

Nearby words

  1. brainsickly,
  2. brainstem,
  3. brainstem evoked response audiometry,
  4. brainstorm,
  5. brainstorming,
  6. braintree,
  7. brainwash,
  8. brainwashing,
  9. brainwave,
  10. brainwork

Origin of brainteaser

First recorded in 1920–25; brain + tease + -er1

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019