beyond/within the realms of possibility

beyond the realm(s) of possibility

Impossible. With my low test grades, I think that getting an A in this class is beyond the realms of possibility.
See also: beyond, of, possibility

within the realm(s) of possibility

Possible; capable of happening. You worked so hard this semester that I think an A is within the realm of possibility.
See also: of, possibility, within
Farlex Dictionary of Idioms.

beyond/within the realms of possiˈbility

impossible/possible: A successful outcome is not beyond the realms of possibility.
See also: beyond, of, possibility, realm, within
Farlex Partner Idioms Dictionary
See also:
  • beyond the realm(s) of possibility
  • possibility
  • realm
  • the Great Beyond
  • great beyond
  • beyond some emotional response
  • a bit too much
  • beyond (one's) depth
  • beyond depth
  • beyond the horizon