vastly

adverb

vast·​ly ˈvast-lē How to pronounce vastly (audio)
Synonyms of vastlynext
: to a very great or vast degree or extent : exceedingly
two people with vastly different tastes
a vastly more powerful bomb
But bluff and bravado … won against potential enemies who vastly outnumbered him.—David Gilmour
It was the most eclectic—yet also vastly entertaining—evening of dance I have seen in a long time.—Rita Felciano

Synonyms of vastly

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Examples of vastly in a Sentence

the team has vastly improved in the course of the season vastly underestimated the cost of advertising the new product
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
With more than 50 players returning and more than 40 newcomers, the roster is vastly improved over last season. — Matt Murschel, The Orlando Sentinel, 26 Aug. 2026 No, the obvious and only answer is to vastly increase revenues. — Chicago Tribune, 25 Aug. 2026 The thickness penalty The simulations revealed that anodes with nearly identical overall charge capacities can still suffer vastly different internal degradation, depending on how binder materials and pore spaces are arranged. — Mrigakshi Dixit, Interesting Engineering, 24 Aug. 2026 The hot tea is clearly at a much higher temperature than the iceberg, but the large iceberg has vastly more energy than the tiny cup of tea. — Matthew Koss, The Conversation, 24 Aug. 2026 See All Example Sentences for vastly

Word History

First Known Use

1598, in the meaning defined above

Time Traveler
The first known use of vastly was in 1598

Rhymes for vastly

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Browse Nearby Words

vastity
vastly
vastness
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Cite this Entry

“Vastly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vastly. Accessed 1 Sep. 2026.

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