make all the difference

make all the difference (in the world)

To create a very noticeable effect, especially a vast improvement. A fresh coat of paint has made all the difference for that old house. A good night's sleep, proper meals, and a bit of exercise can make all the difference in the world to your outlook on life.
See also: all, difference, make
Farlex Dictionary of Idioms.

make all the ˈdifference (to somebody/something)

have an important effect on somebody/something; make somebody feel better: A few kind words at the right time make all the difference if you’re upset.
See also: all, difference, make
Farlex Partner Idioms Dictionary
See also:
  • make all the difference (in the world)
  • make a world of difference
  • (as) sound as a pound
  • another coat of paint
  • make a dent in
  • make a dent in (something)
  • make a dent in something
  • make a dent/hole in something
  • a (new) lick of paint
  • on the upswing
References in periodicals archive
Hal Davis, an analyst who tracks Premier Parks for investment banking company Thomas Weisel Partners, agrees that Latin America's demographics will make all the difference. "Although per capita spending may be lower, as long as Six Flags can drive actual attendance higher it will make up for it," says Davis.
"We can still go to Highbury and get an early goal and that could make all the difference, and then we'll be right back in it."