WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / L / life-threatening life-threatening adjective 16 letters Scrabble 22 WWF 25 Definitions adjective causing fear or anxiety by threatening great harm “a life-threatening disease” dangerousgravegrievousserioussevere Look “life-threatening” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →