someone's lips are sealed
idiom
informal
—used to say that someone will not tell secret information to anyone
Your secret is safe with me: my lips are sealed.
Dictionary Entries Near someone's lips are sealed
someone's life depends on (something)
someone's lips are sealed
Cite this Entry
“Someone's lips are sealed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/someone%27s%20lips%20are%20sealed. Accessed 31 Dec. 2024.
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Merriam-Webster unabridged
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