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Synonyms

brain-teaser

British  

noun

  1. informal a difficult problem

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In the lab, each person attempted to solve a series of brain teaser puzzles, with three minutes allotted per puzzle.

From Science Daily • Feb. 15, 2026

But we didn’t flock to the original story for a brain teaser.

From Salon • Feb. 2, 2024

The footage, viewed more than 21 million times, garnered thousands of comments from people who appreciated the brain teaser.

From Fox News • Dec. 3, 2021

There were a bunch of exceptions and fine print, stuff involving rental cars, hotels and partner airlines, all of which amounted to a brain teaser for Petersen.

From New York Times • Jan. 5, 2021

Wanting to get her mind off her stomach, I remember a brain teaser game my teacher used to play with us.

From "The Sky at Our Feet" by Nadia Hashimi

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