Lacking all worth and value
A self-indulgent person who spends time avoiding work or other useful activity
Is it just about time to replace that old, ugly, leaking, no-good roof that's hanging over your head?
There was no good way to say it, so she might as well get to the facts.
Maybe he knew it would do no good.
Frustrating as it was - as he was - it would do no good to question him further.
It would do no good to ask him why.