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ignis fatuus

American  
[ig-nis fach-oo-uhs] / ˈɪg nɪs ˈfætʃ u əs /

noun

  • ignes fatui
    plural
  1. Also called friar's lantern, will-o'-the-wisp.  a flitting phosphorescent light seen at night, chiefly over marshy ground, and believed to be due to spontaneous combustion of gas from decomposed organic matter.

  2. something deluding or misleading.


ignis fatuus British  
/ ˈɪɡnɪs ˈfætjʊəs /

noun

  1. another name for will-o'-the-wisp

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of ignis fatuus

1555–65; < Medieval Latin: literally, foolish fire

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Never did a geographical entity seem so to play the ignis fatuus with the world as did the River.

From The Columbia River Its History, Its Myths, Its Scenery, Its Commerce by William Denison Lyman

Love is not the offspring of an hour or a day, nor is it the ignis fatuus which plays about the brain, and disturbs the sleep of the youth and the maiden in their teens.

From Wilson's Tales of the Borders and of Scotland, Vol. 9 by Various

XII.298.We are concerned not with names but with things, so that Dr. Hort may give his ignis fatuus what appellation he likes, only why he calls it Syrian it is hard to determine.

From A Plain Introduction to the Criticism of the New Testament, Vol. II. by Frederick Henry Ambrose Scrivener

Silent and alone, she saw the signal-light of the steamer moving like an ignis fatuus along the empurpled bosom of the water—at length suddenly disappearing behind the battlements of the Fort.

From The Child Wife by Mayne Reid

Are we following an ignis fatuus in setting it up as the panacea for the defects of our communities?

From Problems in Greek history by John Pentland Mahaffy

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