Synonyms of much see definition much 1 of 3 adjective as in significant having great meaning or lasting effect actually, nothing much changed synonyms & similar words relevance significant important major big substantial historic meaningful eventful momentous exceptional monumental material tectonic distinguished consequential remarkable.
Much (mʌtʃ) adj. more, most, adj. 1. great in quantity, measure, or degree: too much cake. n., pron. 2. a great quantity, measure, or degree: there wasn’t much to do. 3. a great, important, or notable thing or matter: not much to look at. adv. 4. to a great extent or degree: to talk too much..