WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / I / improbable improbable adjective 10 letters Scrabble 18 WWF 23 Definitions adjective not likely to be true or to occur or to have occurred “an improbable event” unlikely adjective too improbable to admit of belief marvellousmarveloustall adjective having a probability too low to inspire belief unbelievableunconvincingunlikely Look “improbable” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →