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Definition of vastly

vastly

/ˈvæst.li/
vast · ly
Adjective:vast
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vastly Lexical Profile

vastly Game Scores & Validity

• adverb

1

To a very great or immense extent; immensely.

Example

"The quality of medical care has improved vastly over the past few decades."

Synonyms
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Antonyms
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• Rhymes for vastly

• Nearby Words

vast
vasteras
vastervik
vastly
vastness
vat
vatican

Word Origin & Etymology

Formed in the 17th century from the adjective 'vast' (derived from Latin 'vastus', meaning 'immense, extensive, or desolate') plus the adverbial suffix '-ly'.

Cite this Entry

Wordmom. (2026). Definition of Vastly. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/vastly
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