not have the faintest/slightest idea

idiom

: to not know or understand at all
I don't have the faintest/slightest idea what you're talking about.

Examples of not have the faintest/slightest idea in a Sentence

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Harris did not have the faintest idea where to begin. Los Angeles Times, 30 Aug. 2022

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“Not have the faintest/slightest idea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/not%20have%20the%20faintest%2Fslightest%20idea. Accessed 12 Mar. 2025.

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