(GOOD) [pronoun], [adverb] [not gradable] - (something) of good qualityHe's not much to look at, but he has a wonderful personality.I've never been much of a dancer (= good at dancing, or interested in doing it).There's not/nothing much on TV tonight.
MUCH
Meaning of MUCH in English
Cambridge English vocab. Кембриджский английский словарь. 2012