under lock and key
idiom
: in a room, box, etc., that is locked
The jewels are kept under lock and key.
The prisoner is being kept/held under lock and key.
Examples of under lock and key in a Sentence
Recent Examples on the Web
Character details are being kept under lock and key.
—
Matt Grobar, Deadline, 28 Feb. 2025
With expectations came even more pressure to keep plot details under lock and key, especially in regards to wanting season 2 spoilers.
—Dory Jackson, People.com, 28 Feb. 2025
Usually kept under lock and key, the plate has been let out for air and is currently on display for a few months at the Mapping the Infinite: Cosmologies Across Cultures exhibition at the Los Angeles County Museum.
—Keith Cooper, Space.com, 17 Jan. 2025
Just days before the stone was to be released, a federal court judge ordered that the emerald remain under lock and key until the federal case with Brazil concludes.
—Clara Harter, Los Angeles Times, 13 Dec. 2024
See All Example Sentences for under lock and key
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Matt Grobar, Deadline, 28 Feb. 2025
With expectations came even more pressure to keep plot details under lock and key, especially in regards to wanting season 2 spoilers.
—Dory Jackson, People.com, 28 Feb. 2025
Usually kept under lock and key, the plate has been let out for air and is currently on display for a few months at the Mapping the Infinite: Cosmologies Across Cultures exhibition at the Los Angeles County Museum.
—Keith Cooper, Space.com, 17 Jan. 2025
Just days before the stone was to be released, a federal court judge ordered that the emerald remain under lock and key until the federal case with Brazil concludes.
—Clara Harter, Los Angeles Times, 13 Dec. 2024
See All Example Sentences for under lock and key
Cite this Entry
“Under lock and key.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/under%20lock%20and%20key. Accessed 21 Mar. 2025.
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