know like the palm of one's hand

A form of know like the back of one's hand — To be intimately knowledgeable about something.

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Meanings

verbknow like the palm of one's hand (third-person singular simple present knows like the palm of one's hand, present participle knowing like the palm of one's hand, simple past knew like the palm of one's hand, past participle known like the palm of one's hand)

present singular third person knows like the palm of one's hand · participle present knowing like the palm of one's hand · past knew like the palm of one's hand · participle past known like the palm of one's hand

  1. alternativeAlternative form of know like the back of one's hand.
Cite this entry
APA

know like the palm of one's hand. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/know%20like%20the%20palm%20of%20one's%20hand

MLA

“know like the palm of one's hand.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/know%20like%20the%20palm%20of%20one's%20hand. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “know like the palm of one's hand,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/know%20like%20the%20palm%20of%20one's%20hand.

Source: know like the palm of one's hand on Wiktionary, CC BY-SA 4.0.