knows whether one is Arthur or Martha

A form of know whether one is Arthur or Martha — To be in a clear state of mind.

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Meanings

verb
  1. indicativepresentsingularthird personthird-person singular simple present indicative of know whether one is Arthur or Martha
Cite this entry
APA

knows whether one is Arthur or Martha. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/knows%20whether%20one%20is%20Arthur%20or%20Martha

MLA

“knows whether one is Arthur or Martha.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/knows%20whether%20one%20is%20Arthur%20or%20Martha. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “knows whether one is Arthur or Martha,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/knows%20whether%20one%20is%20Arthur%20or%20Martha.

Source: knows whether one is Arthur or Martha on Wiktionary, CC BY-SA 4.0.