thinking cap

noun

1. a state of mind marked by reflection or concentration.

   If we put on our thinking caps, we may come up with the answer.

Word History and Origins

Origin of thinking cap¹

First recorded in 1870–75

Idioms and Phrases

see put on one's thinking cap.

Example Sentences

Then put on your short-term thinking cap for a moment.

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Bring your boogie shoes — and your thinking caps.

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With jolly maximalism and Shrinky Dinks shadings, this is a book that invites children to take off their thinking caps, relax and revel in pure silliness.

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“Use your common sense and put your thinking caps on,” she instructed jurors.

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And that’s all well and good, but it’s not a great bet young kids will come away with that new feather in their thinking caps.

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