keep one's trap shut

idiom

slang
: to not talk about something that someone doesn't want known
Can he be trusted to keep his trap shut?

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Cite this Entry

“Keep one's trap shut.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/keep%20one%27s%20trap%20shut. Accessed 28 Feb. 2025.

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