WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / U / unmerciful unmerciful adjective /ənmɜrsɪfəl/ 4 syllables 10 letters Scrabble 17 WWF 23 Definitions adjective having or showing no mercy merciless Look “unmerciful” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →