knows inside and out

A form of know inside and out — To know (something or someone) very thoroughly.

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Meanings

verb
  1. indicativepresentsingularthird personthird-person singular simple present indicative of know inside and out
Cite this entry
APA

knows inside and out. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/knows%20inside%20and%20out

MLA

“knows inside and out.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/knows%20inside%20and%20out. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “knows inside and out,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/knows%20inside%20and%20out.

Source: knows inside and out on Wiktionary, CC BY-SA 4.0.