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thinking cap

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noun
a state of mind marked by reflection or concentration: If we put on our thinking caps, we may come up with the answer.
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Origin of thinking cap

First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use thinking cap in a sentence

Other Idioms and Phrases with thinking cap

thinking cap

see put on one's thinking cap.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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