have no idea
phrase
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
Clients may have no idea that the owner has begun to feel worn thin.
—
Scott Hanson,
Forbes.com,
2 July 2026
See All Example Sentences for have no idea
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.
Scott Hanson,
Forbes.com,
2 July 2026
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 7 Jul. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
