know something like the back of one's hand

idiom

Definition of know something like the back of one's hand

: to know something completely I know this town like the back of my hand.

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Dictionary Entries Near know something like the back of one's hand

know something inside out

know something like the back of one's hand

know something or someone for what it/he/she is

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Cite this Entry

“Know something like the back of one's hand.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/know%20something%20like%20the%20back%20of%20one%27s%20hand. Accessed 19 Sep. 2021.

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