WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / F / filamentous filamentous adjective /fɪləmɛntəs/ 4 syllables 11 letters Scrabble 16 WWF 20 Definitions adjective thin in diameter; resembling a thread filamentlikefiliformthreadlikethready Look “filamentous” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →