Meaning of the word "so what" in English

What does "so what" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

so what

US /soʊ wʌt/
UK /səʊ wɒt/

Exclamation

used to express indifference or a lack of concern about something that has been said or done

Example:
You said I couldn't do it. So what?
He's richer than you. So what? Money isn't everything.