Word.ws English Dictionary

brainteaser

US/ˈbɹeɪnˌtizɚ/

brainteaser noun: a problem or puzzle devised to exercise the brain and mind.

Noun

brainteaser (plural brainteasers)

  1. (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.
    Synonyms:
    brain-tickler
  2. (informal) Any difficult problem or puzzle.
    • Trying to figure out how to square this circle is a brainteaser to say the least.
    Synonyms:
    stumper, puzzler, enigma

Synonyms of brainteaser

Forms of brainteaser

pluralbrainteasers
alternative formbrain teaser
alternative formbrain-teaser

Origin of brainteaser

From brain + teaser.

Questions about brainteaser

What does brainteaser mean?
Brainteaser means a problem or puzzle devised to exercise the brain and mind.
What part of speech is brainteaser?
Brainteaser is a noun.
How do you pronounce brainteaser?
Brainteaser is pronounced /ˈbɹeɪnˌtizɚ/ (US).
What is the plural of brainteaser?
The plural of brainteaser is brainteasers.

Words near brainteaser in the dictionary

  1. brainstormings
  2. brainstorms
  3. brainstormy
  4. braintape
  5. braintapes
  6. brainteaser
  7. brainteasers
  8. brainteasing
  9. Braintree
  10. braintrust
  11. braintrusts

Source and license

Adapted from Wiktionary: brainteaser (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “brainteaser.” Word.ws, https://word.ws/brainteaser. Based on Wiktionary, CC BY-SA 4.0.