not someone's problem

idiom

used to say that someone is not responsible for dealing with something
The fact that you're late is not my problem.

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Cite this Entry

“Not someone's problem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/not%20someone%27s%20problem. Accessed 10 Mar. 2025.

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