WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / astronautics astronautics noun /æstrənɔtɪks/ 4 syllables 12 letters Scrabble 14 WWF 17 Definitions noun the theory and practice of navigation through air or space aeronautics Look “astronautics” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →