make a difference

idiom

Definition of make a difference

1 : to cause a change : to be important in some way Cost can make a difference in deciding on a college. Your help made a big difference. It may not matter to you, but it makes a world of difference to me.
2 : to do something that is important : to do something that helps people or makes the world a better place She says that she got into politics because she wanted to make a difference.

More from Merriam-Webster on make a difference

Nglish: Translation of make a difference for Spanish Speakers

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