A large quantity or amount: He isnt much to look at. How to use much in a sentence. Much has been written. A great quantity, measure, or degree: If you get too much sleep, you may sleep through your … A great, important, or notable thing or matter: Great in quantity, measure, or degree. The meaning of much is great in quantity, amount, extent, or degree. Much is an adjective that refers to a large quantity, amount, or degree of something. Use the adjective much to mean a lot or a large amount. if you dont get much sleep the night before a big test, you dont get a lot. See examples of much used in a sentence. He owed much of his success to his family. It indicates a substantial extent or level of something, generally implying a significant or notable difference or … Meanings, etymology, pronunciation and more in the oxford english dictionary · (in combinations such as as much, this much) used to indicate, demonstrate or compare the quantity of something. You use much to indicate the great intensity, extent, or degree of something such as an action, feeling, or change. The campus wasnt much to look at. A far larger amount of something than you want or need…. Much is usually used with so, too, and `very, and in negative clauses … Something great or remarkable: A large amount or to a large degree: