Definition of not much good at
- He's not much good at golf.
: great in quantity, amount, extent, or degree
: great in importance or significance
: many in number
: to a great degree or extent : considerably
: frequently, often
: a great quantity, amount, extent, or degree
: something considerable or impressive
What made you want to look up not much good at? Please tell us where you read or heard it (including the quote, if possible).