WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / M / mug up mug up verb 6 letters Scrabble 10 WWF 15 Definitions verb study intensively, as before an exam bonebone upcramdrumget upgrind awayswotswot up Look “mug up” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →