what is more meaning
EN- AdverbSUF-more
- (idiomatic) furthermore, or in addition, moreover.
- I've done it wrong, and what's more I don't care.
- (idiomatic) furthermore, or in addition, moreover.
Definition of what is more in English Dictionary
- Part-of-Speech Hierarchy
- Adverbs
- Adverbs
Other Vocabulary
- en what is up
- en what it do
- en what is it
- en what is what
- en Whittemore
Source: Wiktionary
Grammatically, this idiom "what is more" is an adverb.