will-o[-the-wisp (HyperDic hyper-dictionary)

English > 2 senses of the word *will-o'-the-wisp*:
NOUN	phenomenon	will-o'-the-wisp, friar's lantern, ignis fatuus, jack-o'-lantern	a pale light sometimes seen at night over marshy ground
cognition	will-o'-the-wisp, ignis fatuus	an illusion that misleads

English > *will-o'-the-wisp*: 2 senses > noun 1, phenomenon
Meaning	A pale light sometimes seen at night over marshy ground.
Synonyms	friar's lantern, ignis fatuus, jack-o'-lantern
Broader	light, visible light, visible radiation	(physics) electromagnetic radiation that can produce a visual sensation
Spanish	fuego fatuo, jack-o'-lantern
Catalan	foc follet

English > *will-o'-the-wisp*: 2 senses > noun 2, cognition
Meaning	An illusion that misleads.
Synonym	ignis fatuus
Broader	illusion, fantasy, phantasy, fancy	Something many people believe that is false / false
Spanish	fuego fatuo

HyperDic: will-o[-the-wisp