WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / O / onset onset noun /ɑnsɛt/ 2 syllables 5 letters Scrabble 5 WWF 6 Definitions noun an offensive against an enemy (using weapons) attackonrushonslaught noun the beginning or early stages “the onset of pneumonia” oncoming Look “onset” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →