Share this entry
ignis fatuus Syllabification: ig·nis fat·u·us
Pronunciation: /ˌiɡnəs ˈfaCHəwəs/

Definition of ignis fatuus in English:

noun (plural ignes fatuiˈiɡnēz ˈfaCHo͞oˌī)

1A will-o'-the-wisp.
Example sentences
  • But it's impossible to describe these paintings, also because they hit your soul like burning arrows and recall the sad and reddish dance of the ignis fatuuses.
  • How is the gas of ignis fatui ignited on bogs and meadows?
1.1Something deceptive or deluding.
Example sentences
  • He chases so many ignes fatui that his thinking becomes fatuous.


Mid 16th century: modern Latin, literally 'foolish fire' (because of its erratic movement).

Definition of ignis fatuus in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources