WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / P / pessimum pessimum adjective 8 letters Scrabble 14 WWF 18 Definitions adjective of an organism's environment; least favorable for survival pessimal Look “pessimum” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →