WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / M / momentaneous momentaneous adjective 12 letters Scrabble 16 WWF 21 Definitions adjective lasting for a markedly brief time “rapid momentaneous association of things that meet and pass” fleetingfugitivemomentary Look “momentaneous” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →