knows A from B

A form of know A from B — Synonym of know B from a battledore (“to know anything at all; to have the most basic common sense or intelligence”).

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Meanings

verb
  1. indicativepresentsingularthird personthird-person singular simple present indicative of know A from B
Cite this entry
APA

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

MLA

“knows A from B.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/knows%20A%20from%20B. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “knows A from B,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/knows%20A%20from%20B.

Source: knows A from B on Wiktionary, CC BY-SA 4.0.