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
But the home’s residents have no idea how much personal data is being collected behind the scenes.
—
Keivan Navaie, IEEE Spectrum, 22 Oct. 2025
Executive producer Mark Johnson, who oversees AMC’s entire Anne Rice Immortal Universe, warns that even the most dedicated fans have no idea what’s coming.
—Sydney Bucksbaum, Entertainment Weekly, 21 Oct. 2025
As for the rent, Hope and Ella have no idea what money is changing hands month to month — their husbands worked that out.
—Adriane Quinlan, Curbed, 2 Oct. 2025
There's a fix, but most have no idea.
—Daryl Austin, USA Today, 23 Sep. 2025
See All Example Sentences for have no idea
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Keivan Navaie, IEEE Spectrum, 22 Oct. 2025
Executive producer Mark Johnson, who oversees AMC’s entire Anne Rice Immortal Universe, warns that even the most dedicated fans have no idea what’s coming.
—Sydney Bucksbaum, Entertainment Weekly, 21 Oct. 2025
As for the rent, Hope and Ella have no idea what money is changing hands month to month — their husbands worked that out.
—Adriane Quinlan, Curbed, 2 Oct. 2025
There's a fix, but most have no idea.
—Daryl Austin, USA Today, 23 Sep. 2025
See All Example Sentences for have no idea
Cite this Entry
“Have no idea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/have%20no%20idea. Accessed 24 Oct. 2025.
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