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. Much is used as an adjective or adverb, but it always means a large quantity, extent, or degree. 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. Much definition: Great in quantity, degree, or extent. Much is an adjective that refers to a large quantity, amount, or degree of something. It indicates a substantial extent or level of something, generally implying a significant or notable difference or ….
