Question 1

What does "make a difference" mean?

Accepted Answer

To have a significant effect; to cause a positive change.

Question 2

How do you use "make a difference" in a sentence?

Accepted Answer

Volunteering really does make a difference in people's lives.

Question 3

Is "make a difference" formal or informal?

Accepted Answer

"make a difference" is register-neutral — appropriate in both casual and formal contexts. Positive connotation; used in motivational contexts.