the worst of both/all worlds

the worst of both worlds

The worst or least desirable attributes of two different things, situations, or circumstances. The negative version of the more common "best of both worlds." This car gets terrible gas mileage and it doesn't handle well in bad weather—it's the worst of both worlds!
See also: both, of, world, worst
Farlex Dictionary of Idioms.

the worst of both worlds

COMMON If you have the worst of both worlds, you have all the problems and disadvantages of two different things without any of the advantages. Some might say that this gives you the worst of both worlds — none of the comfort of a car with none of the convenience of a motorbike.
See also: both, of, world, worst
Collins COBUILD Idioms Dictionary, 3rd ed.

the worst of ˈboth/ˈall (possible) worlds

all the disadvantages of every situation: Rail passengers feel that they are getting the worst of both worlds — expensive fares and an unreliable service. OPPOSITE: the best of both/all (possible) worlds
See also: all, both, of, world, worst
Farlex Partner Idioms Dictionary
See also:
  • the worst of both worlds
  • best of both possible worlds
  • best of both worlds
  • best of both worlds, the
  • enjoy
  • the best of both worlds
  • the best of both/all worlds
  • best of all worlds
  • things will work out
  • at worst