Meaning of the word "no matter how" in English

What does "no matter how" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

no matter how

US /noʊ ˈmætər haʊ/
UK /nəʊ ˈmætə haʊ/

Phrase

regardless of the extent or degree; in spite of any difficulty or obstacle

Example:
No matter how difficult it seems, we must keep trying.
She always looks elegant, no matter how simple her outfit is.