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
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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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
Cite this Entry
“Have no idea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/have%20no%20idea. Accessed 16 Sep. 2025.
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