WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / B / button up button up verb 2 syllables 9 letters Scrabble 12 WWF 17 Definitions verb refuse to talk or stop talking; fall silent be quietbelt upclam upclose updummy upkeep mumshut up Look “button up” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →