WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / C / casus belli casus belli noun /kɑsʊsbɛlli/ 3 syllables 11 letters Scrabble 14 WWF 19 Definitions noun an event used to justify starting a war Look “casus belli” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →