be no good

Related to be no good: No Good Deed Goes Unpunished

be no good

1. To be worthless, futile, or of no use. I'm telling you, it's no good complaining to a receptionist—you need to get a manager on the line.
2. To be poor or unsatisfactory in quality. I'm sorry to be blunt, but your writing is no good.
3. To be of poor character or moral standing. You stay away from Johnny Smith—that boy is no good, I tell you!
See also: good, no
Farlex Dictionary of Idioms.

be no ˈgood

,

not be any/much ˈgood


1 not be useful; have no useful effect: This gadget isn’t much good. It’s no good trying to talk me out of leaving.
2 not be interesting or enjoyable: His latest movie isn’t much good.
See also: good, no
Farlex Partner Idioms Dictionary
See also:
  • no good
  • no-good
  • (as) worthless as tits on a boar (hog)
  • be sold a pup
  • make an appointment
  • show (one) out of (some place)
  • dreck
  • show (one) out
  • show out
  • show someone out