The meaning of MUCH is great in quantity, amount, extent, or degree. How to use much in a sentence. a large amount or to a large degree: 2. a far larger amount of something than you want or need…. A large quantity or amount: Much has been written. Something great or remarkable: The campus wasn't much to look at. Apr 9, 2026 · (in combinations such as 'as much', 'this much') Used to indicate, demonstrate or compare the quantity of something. Much is used as an adjective or adverb, but it always means a large quantity, extent, or degree. When something hurts very much, it's very painful, and when your friend says your gift is very much … a great quantity, measure, or degree: not much to do; He owed much of his success to his family. a great, important, or notable thing or matter: He isn't much to look at. Learn the meaning and correct usage of "much". Our guide provides clear grammar rules and real-world examples from authoritative sources to help you write with confidence. Definition of much determiner in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.