brain·​teas·​er | \ ˈbrān-ˌtē-zər How to pronounce brainteaser (audio) \

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 From Halloween puzzles, to Christmas brainteasers, and even Springtime ones, Dudás' seek-and-find puzzle books will satisfy your brainteaser itch day in and day out. Christy Piña, Woman's Day, "Can You Find the Bear in the Sea of Reindeer Swarming Santa Claus?," 19 Dec. 2020 But be warned: solving this holiday brainteaser is far from easy. Christy Piña, Woman's Day, "Can You Find the Dog Lost Among the Polar Bears in the North Pole?," 22 Dec. 2020 For example, a few of the watches are a different color than the mostly gold ones, intentionally designed to throw brainteaser-lovers off. Christy Piña, Woman's Day, "Can You Find Which Pocket Watch Isn't Stopped at 5 Minutes to Midnight?," 28 Dec. 2020 According to a press release, the puzzle creator claims that on average, this brainteaser takes people 46 seconds to find the lone Nutcracker without a mustache. Christy Piña, Woman's Day, "Can You Find the Nutcracker With a Missing Mustache?," 18 Dec. 2020 And what better way to get your spooky on than indulging in yet another Halloween brainteaser? Christy Piña, Woman's Day, "Can You Find the Witch's Hat Among the Spooky Cats?," 29 Oct. 2020 As early as 1913, planar graphs came up in a brainteaser called the three-utilities problem, published in The Strand Magazine. Quanta Magazine, "A New Algorithm for Graph Crossings, Hiding in Plain Sight," 15 Sep. 2020 Here are some puzzles and brainteasers to challenge your family and friends with, either in person or over video chat. Nicole Wetsman, Popular Science, "These skulls look purple and orange. They are both red.," 22 May 2020 The brainteasers are intended to both calm the players' minds and encourage them to think ahead. Jori Epstein, USA TODAY, "Riddle me this: How brainteasers help Dallas Cowboys prepare to outwit opponents like Patriots," 22 Nov. 2019

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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Time Traveler for brainteaser

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The first known use of brainteaser was in 1850

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Statistics for brainteaser

Last Updated

28 Feb 2021

Cite this Entry

“Brainteaser.” Dictionary, Merriam-Webster, Accessed 8 Mar. 2021.

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English Language Learners Definition of brainteaser

: a puzzle that is difficult to figure out or solve

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