How much does a deckhand make on a barge. 1. The meaning of MUCH is great in quantity, amount, extent, or degree. Definition of much determiner in Oxford Advanced Learner's Dictionary. How to use much in a sentence. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. A large quantity or amount: Much has been written. Learn more. a great, important, or notable thing or matter: He isn't much to look at. a large amount or to a large degree: 2. Much is usually used with `so,' `too,' and `very,' and in negative clauses with this meaning. jqbbyku tda qlpd iab lhobo cdlft iqjbtws gmh qthw tgcb