I don't know about you/him/her/them
idiom
—used say that one is uncertain whether someone thinks or feels differently about something
I don't know about you, but I'm leaving.
Cite this Entry
“I don't know about you/him/her/them.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/I%20don%27t%20know%20about%20you%2Fhim%2Fher%2Fthem. Accessed 27 Nov. 2025.
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Merriam-Webster unabridged
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