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
Most Christians have no idea how the Palestinians have been persecuted in their own land.
—
arkansasonline.com, 15 Feb. 2025
Some have lost their homes and now have no idea how to rebuild their lives.
—Yaakov Katz, Newsweek, 7 Feb. 2025
Forget Amsterdam — many visitors to London have no idea the city is home to its own enviable collection of canals.
—Brad Japhe, Travel + Leisure, 22 Jan. 2025
Most of the population has never seen a baseball field, and many here have no idea the game is played within their borders.
—Greg Presto, The Athletic, 16 Jan. 2025
See all Example Sentences for have no idea 
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arkansasonline.com, 15 Feb. 2025
Some have lost their homes and now have no idea how to rebuild their lives.
—Yaakov Katz, Newsweek, 7 Feb. 2025
Forget Amsterdam — many visitors to London have no idea the city is home to its own enviable collection of canals.
—Brad Japhe, Travel + Leisure, 22 Jan. 2025
Most of the population has never seen a baseball field, and many here have no idea the game is played within their borders.
—Greg Presto, The Athletic, 16 Jan. 2025
See all Example Sentences for have no idea
Dictionary Entries Near 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 21 Feb. 2025.
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