brain·​teas·​er | \ˈbrān-ˌtē-zər \

Definition of brainteaser 

: something (such as a puzzle) that demands mental effort and acuity for its solution

Examples of brainteaser in a Sentence

Recent Examples on the Web

What this argument reflects, in part, is one of the brainteasers of nuclear theology. The Economist, "What Donald Trump and Vladimir Putin ought to talk about in Helsinki," 12 July 2018 The immersive brainteaser within is playful, filled with subtle hints and special effects. Samantha Melamed,, "I tried Philly's first ice bar, at Clubhouse Sports Lounge, so you don't have to," 3 Apr. 2018 One of the last ten questions asks test takers to identify the similarity between a train and bicycle, and Trump isn’t so deranged to think that’s a world-class brainteaser. Adam K. Raymond, Daily Intelligencer, "Trump Bragged to RNC About Passing ‘Hard’ Cognitive Test," 2 Feb. 2018 That’s the key: 20 teams are sending a total of 39 representatives to this year’s competition, essentially morphing a brainteaser into the NBA Draft Combine for statisticians, engineers and developers. Jake Fischer,, "NBA Hackathon: Basketball's Math Movement Fosters All-Night Marathon," 22 Sep. 2017 Something this simple is more like a recipe for chicken soup than a circumvention device, says Keith Winstein, who solved this brainteaser with Marc Horowitz back in December. Victor C. Clarke, WIRED, "DVD Hacking for Dummies," 1 June 2001

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'brainteaser.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of brainteaser

1850, in the meaning defined above

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The first known use of brainteaser was in 1850

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English Language Learners Definition of brainteaser

: a puzzle that is difficult to figure out or solve

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What made you want to look up brainteaser? Please tell us where you read or heard it (including the quote, if possible).


something that serves to warn or remind

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