WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / S / septillion septillion noun 10 letters Scrabble 12 WWF 16 Definitions noun the number that is represented as a one followed by 24 zeros Look “septillion” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →