moon madness

noun

Lunacy supposed to be caused by sleeping in full moonlight

Meanings

nounmoon madness (uncountable)
  1. historicaluncountableLunacy supposed to be caused by sleeping in full moonlight

    Want, and Moon-madness, and the Pest’s swift Bane, When its shafts smite—while yet its bow is twanging— Have each their mark and sign—some ghastly stain; […]

    1817 December, Percy Bysshe Shelley, “The Revolt of Islam. […]”, in [Mary] Shelley, editor, The Poetical Works of Percy Bysshe Shelley. […], volume I, London: Edward Moxon […], published 1839, →OCLC, page 267
Cite this entry
APA

moon madness. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/moon%20madness

MLA

“moon madness.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/moon%20madness. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “moon madness,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/moon%20madness.

Source: moon madness on Wiktionary, CC BY-SA 4.0.