WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / S / sidesplittingly sidesplittingly adverb 15 letters Scrabble 22 WWF 26 Definitions adverb in a very humorous manner killingly Look “sidesplittingly” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →