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thinking cap

noun

Definition of thinking cap

  1. :  a state or mood in which one thinks —usually used in the phrase put one's thinking cap on

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First Known Use of thinking cap

1827

THINKING CAP Defined for English Language Learners

thinking cap

noun

Definition of thinking cap for English Language Learners

  • —used to refer to the act of trying to solve a problem by thinking carefully about it

Learn More about thinking cap

  1. See words that rhyme with thinking cap

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