can't be serious
idiom
—used to express disbelief about what someone said
"I'm joining the army." "You can't be serious."
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Cite this Entry
“Can't be serious.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/can%27t%20be%20serious. Accessed 3 Mar. 2025.
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