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Word of the Day Tuesday, June 9, 2026

brainteaser

/ˈbreɪntiːzər/ noun · British & US
Valid in UKValid in US
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What does brainteaser mean?

noun

A puzzle or problem that requires thought and ingenuity to solve. A question or statement that is intended to be difficult to understand or answer.

Example

"The math teacher gave the class a brainteaser to solve before the test."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for brainteaser

Antonyms of brainteaser

Rhymes with brainteaser

Etymologically related