WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / B / belt up belt up verb 7 letters Scrabble 10 WWF 14 Definitions verb refuse to talk or stop talking; fall silent be quietbutton upclam upclose updummy upkeep mumshut up Look “belt up” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →