brainteaser

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noun brain·teas·er \-ˌtē-zər\

Definition of brainteaser

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

1850

First Known Use of brainteaser

1850


BRAINTEASER Defined for English Language Learners

brainteaser

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noun brain·teas·er \-ˌtē-zər\

Definition of brainteaser for English Language Learners

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

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