WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / S / siss siss verb 4 letters Scrabble 4 WWF 4 Definitions verb make a sharp hissing sound, as if to show disapproval hisssibilatesizz verb express or utter with a hiss hisssibilatesizz Look “siss” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →