WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / G / groundspeed groundspeed noun /graʊndspid/ 2 syllables 11 letters Scrabble 16 WWF 20 Definitions noun the speed of an aircraft relative to the ground Look “groundspeed” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →