WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / O / on the fly on the fly adverb 10 letters Scrabble 17 WWF 17 Definitions adverb on the run or in a hurry “she wrote those letters on the fly” hurridly Look “on the fly” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →