keep/stay mum
idiom
informal
: to not tell anyone (about something)
She told him to keep/stay mum about the project.
Examples of keep/stay mum in a Sentence
Recent Examples on the Web
The man was able to con his now-wife Ashley and convince his entire family to stay mum about his children who are very much not just sperm-donor kids.
—
Alejandra Gularte, Vulture, 23 Oct. 2024
Meanwhile, Eugenie and Beatrice are going to keep mum.
—Lea Veloso, StyleCaster, 20 Sep. 2024
Driving the news: State Sen. Bill DeMora (D-Columbus), who serves as the Ohio Democratic Party (ODP) convention and delegate director, urged the delegates in an email Monday afternoon to keep mum.
—Tyler Buchanan, Axios, 8 July 2024
Among those Trump sought to keep mum about his lurid misdeeds, prosecutors say, were:
Daniels, who alleges Trump cheated on Melania with her at a 2006 Lake Tahoe golf tournament, less than a year after the birth of his youngest child.
—Josephine Stratman, New York Daily News, 13 Apr. 2024
See all Example Sentences for keep/stay mum 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Alejandra Gularte, Vulture, 23 Oct. 2024
Meanwhile, Eugenie and Beatrice are going to keep mum.
—Lea Veloso, StyleCaster, 20 Sep. 2024
Driving the news: State Sen. Bill DeMora (D-Columbus), who serves as the Ohio Democratic Party (ODP) convention and delegate director, urged the delegates in an email Monday afternoon to keep mum.
—Tyler Buchanan, Axios, 8 July 2024
Among those Trump sought to keep mum about his lurid misdeeds, prosecutors say, were:
Daniels, who alleges Trump cheated on Melania with her at a 2006 Lake Tahoe golf tournament, less than a year after the birth of his youngest child.
—Josephine Stratman, New York Daily News, 13 Apr. 2024
See all Example Sentences for keep/stay mum
Cite this Entry
“Keep/stay mum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/keep%2Fstay%20mum. Accessed 26 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share