thinking cap


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

Example Sentences

Recent Examples on the Web The thinking cap produced Function PDX, which opened in July 2017 a few subterranean steps down from the sidewalk along the trendy retail district. oregonlive, 11 Feb. 2022 Put on your thinking cap and prepare for a quick-and-dirty Wordle lesson. Caroline Delbert, Popular Mechanics, 14 Jan. 2022 Second, the frenzied driver has to put on their thinking cap to decide what the message has stated. Lance Eliot, Forbes, 28 June 2021 Pause, put on your creative thinking cap, and consider your alternative responses to this situation. John Rex, Forbes, 16 June 2021 Keep your thinking cap on tight and stay in the background, carefully reviewing the details of whatever is being proposed to you. Tarot Astrologers,, 17 Apr. 2021 There are no fans at the track for the first time, but one hard-core fan put his thinking cap on and devised a way to watch the action in person. Scott Horner, The Indianapolis Star, 23 Aug. 2020 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thinking cap.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1827, in the meaning defined above

Time Traveler
The first known use of thinking cap was in 1827

Dictionary Entries Near thinking cap

Cite this Entry

“Thinking cap.” Dictionary, Merriam-Webster, Accessed 30 Jan. 2023.

Kids Definition

thinking cap

: a state or mood in which one thinks
put on your thinking cap
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