WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / U / unascertainable unascertainable adjective /ənæsəteɪnəbəl/ 6 syllables 15 letters Scrabble 19 WWF 25 Definitions adjective not able to be ascertained; resisting discovery undiscoverable Look “unascertainable” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →