According to this stack exchange answer, well is an adjective, and good is an adverb.

My question is which one do you use when referring to a gerund.

For example, which of these is correct:

I am well at running.
I am good at running.

or which of these:

That was a well run.
That was a good run.

  • That's not what that answer says. Good is an adjective; well is an adverb. Sep 29, 2016 at 17:58

1 Answer 1


You have it backwards; well is an adverb and good is an adjective.

You would say "I am good at ____" because good is describing you and not your action.

You would say "That was a good ____" because good is describing a noun.

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