WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / I / ignis fatuus ignis fatuus noun /ɪgnɪsfæʧuəs/ 4 syllables 12 letters Scrabble 15 WWF 19 Definitions noun a pale light sometimes seen at night over marshy ground friar's lanternjack-o'-lanternwill-o'-the-wisp noun an illusion that misleads will-o'-the-wisp Look “ignis fatuus” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →