know what's best

idiom

: to know (better than someone else) what is the best thing to do or say in a particular situation
I'll do whatever you say. You know what's best.

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know-what
know what's best
know what hit one
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Cite this Entry

“Know what's best.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/know%20what%27s%20best. Accessed 9 Sep. 2025.

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