Definition of ignis fatuus in English:

ignis fatuus


  • A will-o'-the-wisp.

    • ‘How is the gas of ignis fatui ignited on bogs and meadows?’
    • ‘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.’
    mirage, hallucination, apparition, phantasm, phantom, vision, spectre, fantasy, figment of the imagination, will-o'-the-wisp, trick of the light
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Mid 16th century: modern Latin, literally ‘foolish fire’ (because of its erratic movement).


ignis fatuus

/ˌɪɡnɪs ˈfatjʊəs/