WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / U / unbelievable unbelievable adjective /ənbɪlivəbəl/ 5 syllables 12 letters Scrabble 19 WWF 26 Definitions adjective having a probability too low to inspire belief improbableunconvincingunlikely adjective beyond belief or understanding incredible Look “unbelievable” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →