Meaning & use
vastly
To a very great degree; used to emphasize a large difference or extent.
See it in a sentence
The new software is vastly faster than the version it replaced.
Opinions on the proposal vastly differed between the two departments.
A note on using this word
Vastly typically modifies comparative words or degrees of difference, such as 'vastly superior' or 'vastly different,' rather than simple verbs.
Words with a similar meaning
greatlyenormously
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
slightly
Make it your own
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