WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / F / fissionable fissionable adjective /fɪʃənəbəl/ 4 syllables 11 letters Scrabble 16 WWF 19 Definitions adjective capable of undergoing nuclear fission “a fissionable nucleous” fissile Look “fissionable” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →