since when

idiom

used to show that one is surprised and often angry, annoyed, or doubtful about what someone has said or done
"I'm a vegetarian." "Since when?"
"You told me to do it." "Since when did you start listening to me?"
Since when is it okay to cheat?

Examples of since when in a Sentence

Recent Examples on the Web
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.
But Jordan, since when is Kyle Busch still an upper-echelon talent? Jeff Gluck, The Athletic, 15 Feb. 2025 Sure, Julien is dead, but, as Rowan astutely points out, since when has that mattered in this family? Kathleen Walsh, Vulture, 26 Jan. 2025

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Cite this Entry

“Since when.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/since%20when. Accessed 10 Mar. 2025.

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