Meaning of the word vastly in English

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

vastly

US /ˈvæst.li/
UK /ˈvæst.li/
"vastly" picture

Adverb

1.

to a very great extent; immensely.

Example:
The new system is vastly superior to the old one.
Her experience vastly outweighs his.
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