Class: noun | Syllables: IG-nis FATCH-uh-wus

Definition: An ignis fatuus is a light that sometimes appears in the night over marshy ground and is often attributable to the combustion of gas from decomposed organic matter. The term can also refer to a deceptive goal or hope.

Example(s):
// An ignis fatuus hovered above the horizon as we made our late trek home.
// The film explores how people fall victim to the ignis fatuus of religious cults.