have no idea

idiom

1
: to not know or understand
I have no idea what you're talking about.
2
used to reply to someone as an emphatic "yes"
"Was it hard?" "You have no idea (how hard it was)!"

Examples of have no idea 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.
Those moments can silence curiosity and leaders might have no idea that the impact has come from past experiences. Dr. Diane Hamilton, Forbes.com, 3 Sep. 2025 During swatting hoaxes, school officials usually have no idea there is a threat until police officers start showing up. Joshua Rhett Miller, MSNBC Newsweek, 26 Aug. 2025 Not only does Jill have no idea who Jack is or who might have invited him, no one in Jill’s company feels particularly pleased to see Jack. Tomris Laffly, Variety, 14 Aug. 2025 Most Americans have no idea how pervasive homelessness is, because instead of addressing it honestly, the most common responses are denial, minimization and criminalization. Sun Sentinel Editorial Board, Sun Sentinel, 13 Aug. 2025 See All Example Sentences for have no idea

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Cite this Entry

“Have no idea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/have%20no%20idea. Accessed 9 Sep. 2025.

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