—adj. great in quantity, measure, or degree: too much cake.
—n. 1. a great quantity, measure, or degree: Much of his research was unreliable. 2. a great, important, or notable thing or matter: The house is not much to look at. 3. make much of, a. to treat, represent, or consider as of great importance: to make much of trivial matters. b. to treat with great consideration; show fondness for; flatter.
—adv. 1. to a great extent or degree; greatly; far: to talk too much; much heavier. 2. nearly, approximately, or about: This is much like the others. 3. much as, a. almost the same as: We need exercise, much as we need nourishment. b. however much: Much as she wanted to stay at the party, she had to leave.