WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / T / trillionth trillionth nounadjective 10 letters Scrabble 13 WWF 15 Definitions noun one part in a trillion equal parts one-trillionth adjective the ordinal number of one trillion in counting order Look “trillionth” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →