WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / astronomy astronomy noun /əstrɑnəmi/ 4 syllables 9 letters Scrabble 14 WWF 15 Definitions noun the branch of physics that studies celestial bodies and the universe as a whole uranology Look “astronomy” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →