What does "make a difference" mean?

To carry out an action, the result of which is a significant change, or an altered circumstance.

What is a synonym for "make a difference"?

Common synonyms include: affect outcomes, any, argument, be important, contrast, count in context.

verb

verb ·Uncommon ·Advanced level

Verb

1
To carry out an action, the result of which is a significant change, or an altered circumstance. idiomatic, intransitive
"I was hoping that, by volunteering at this refuge, I could make a difference, however small."
2
To be of importance; to matter. idiomatic, intransitive
"I don't think it makes a difference whether you come tonight or not."

"I was hoping that, by volunteering at this refuge, I could make a difference, however small."