Meaning of the word "What is more" in English

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

What is more

US /wʌt ɪz mɔr/
UK /wɒt ɪz mɔː/

Phrase

used to introduce an additional and more important point

Example:
The car is economical, and what is more, it's very reliable.
He's intelligent, and what is more, he's incredibly kind.