I have no idea

idiom

—use to say that one does not know (something)
"What time is it?" "I have no idea."

Dictionary Entries Near I have no idea

I have it

I have no idea

I-head

See More Nearby Entries 

Cite this Entry

“I have no idea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/I%20have%20no%20idea. Accessed 8 Feb. 2025.

Copy Citation

Share

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Popular in Grammar & Usage

See All

7 Pairs of Commonly Confused Words

What's the difference between 'fascism' and 'socialism'?

More Commonly Misspelled Words

Words You Always Have to Look Up

Your vs. You're: How to Use Them Correctly
See All

Popular in Wordplay

See All

More Words with Remarkable Origins

8 Words with Fascinating Histories

8 Words for Lesser-Known Musical Instruments

Birds Say the Darndest Things

10 Words from Taylor Swift Songs (Merriam's Version)
See All

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Word Game Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
Missing Letter A daily crossword with a twist
a cassowary positioning its body to the left standing on a patch of grass before two trees and the ocean in the background
Name That Animal MegaQuiz A creature feature for fans of fauna