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brainteaser

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noun brain·teas·er \-ˌtē-zər\

Simple Definition of brainteaser

  • : a puzzle that is difficult to figure out or solve

Source: Merriam-Webster's Learner's Dictionary

Full Definition of brainteaser

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

1923

First Known Use of brainteaser

1923


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a very small amount

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