do (one) a/the world of good

do (one) a/the world of good

To have a very positive effect on someone or something. If you're feeling sad, getting out in the sunlight should do you a world of good.
See also: good, of, world
Farlex Dictionary of Idioms.

do somebody/something a ˈpower/ˈworld of good

(old-fashioned) do somebody/something a lot of good; benefit somebody/something: She’s under a lot of stress at work, and a few days at the coast would do her a power of good.
See also: good, of, power, somebody, something, world
Farlex Partner Idioms Dictionary
See also:
  • a world of good
  • be good for (someone or something)
  • be good for something
  • do somebody/something a power/world of good
  • do someone or something a power of good
  • do (one) a heap of good
  • do (one) a power of good
  • do a power of good
  • do no good
  • for good measure