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immensely

Immensely is an adverb that means vastly, or very, or hugely. An immensely good time is a really, really good time.

If you know that immense means huge, then you probably already have a sense of what immensely means. It's a word for describing the enormous degree of something. A New York Times bestseller is an immensely popular book. Any offensive lineman is an immensely large human being. The earth is immensely old. A mouse can't be described as doing anything immensely, but an elephant does things immensely all the time.

Definitions of immensely
  1. adverb
    to an exceedingly great extent or degree
    “was immensely more important to the project as a scientist than as an administrator”
    synonyms: vastly
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