you don't know

idiom

Definition of you don't know

used for emphasis You don't know how happy I am to see you.

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Dictionary Entries Near you don't know

you couldn't pay someone

you don't know

you don't say

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Cite this Entry

“You don't know.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/you%20don%27t%20know. Accessed 27 May. 2022.

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