thinking cap
noun
: a state or mood in which one thinks
—usually used in the phrase put one's thinking cap on
Examples of thinking cap in a Sentence
Recent Examples on the Web
Read the full Sagittarius Daily Horoscope Capricorn (December 21 - January 19)
Put on your thinking cap and collect your thoughts.
—
USA TODAY, 24 Feb. 2025
Strange Worlds: Improvised Science Fiction Sea Tea Comedy Theater, 15 Asylum St., Hartford
The madcap improvers of the Sea Tea Improv empire put on their space-age thinking caps to create unique science fiction scenarios.
—Christopher Arnott, Hartford Courant, 8 June 2024
While Karl Benz was inventing the car and his wife was road-tripping it in 1885, a French inventor named Léon Bollée put his thinking cap on.
—Alex Goy, Ars Technica, 27 May 2024
Please put back on your thinking cap and recall some of the earlier remarks that were made.
—Lance Eliot, Forbes, 14 Feb. 2024
Every recreational drug that a person could take was in his system … put on your thinking caps — what happens when people take drugs?
—St. John Barned-Smith, San Francisco Chronicle, 2 May 2023
Time to put your thinking cap on.
—Rachel Cormack, Robb Report, 13 Jan. 2022
Put on your sleuth-like thinking cap.
—Lance Eliot, Forbes, 14 Oct. 2021
The ultimate goal is a wireless memory prosthesis that could be worn like a real-life thinking cap by anyone seeking to learn something new, from veterans recovering from traumatic brain injuries to the elderly suffering from Alzheimer’s disease to students cramming for final exams.
—Robert Lee Hotz, WSJ, 13 Aug. 2021
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USA TODAY, 24 Feb. 2025
Strange Worlds: Improvised Science Fiction Sea Tea Comedy Theater, 15 Asylum St., Hartford
The madcap improvers of the Sea Tea Improv empire put on their space-age thinking caps to create unique science fiction scenarios.
—Christopher Arnott, Hartford Courant, 8 June 2024
While Karl Benz was inventing the car and his wife was road-tripping it in 1885, a French inventor named Léon Bollée put his thinking cap on.
—Alex Goy, Ars Technica, 27 May 2024
Please put back on your thinking cap and recall some of the earlier remarks that were made.
—Lance Eliot, Forbes, 14 Feb. 2024
Every recreational drug that a person could take was in his system … put on your thinking caps — what happens when people take drugs?
—St. John Barned-Smith, San Francisco Chronicle, 2 May 2023
Time to put your thinking cap on.
—Rachel Cormack, Robb Report, 13 Jan. 2022
Put on your sleuth-like thinking cap.
—Lance Eliot, Forbes, 14 Oct. 2021
The ultimate goal is a wireless memory prosthesis that could be worn like a real-life thinking cap by anyone seeking to learn something new, from veterans recovering from traumatic brain injuries to the elderly suffering from Alzheimer’s disease to students cramming for final exams.
—Robert Lee Hotz, WSJ, 13 Aug. 2021
Cite this Entry
“Thinking cap.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thinking%20cap. Accessed 3 Jul. 2025.
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