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

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.
The information available to dissect these players is vastly more robust and readily available. Corey Masisak, Denver Post, 8 May 2026 However, UTe2 first loses its superconducting state at magnetic fields of roughly 10 Tesla (more than three times stronger than those used in most MRI scanners), only to mysteriously regain zero resistance again under vastly stronger magnetic fields between 40 and 70 Tesla. Georgina Jedikovska, Interesting Engineering, 8 May 2026 The citizens of many other countries, especially in East Asia, are vastly more optimistic about the technology. Gideon Lewis-Kraus, New Yorker, 7 May 2026 Since then, scientists have devised ways of redesigning these molecules to better infiltrate muscle cells, leading to vastly higher dystrophin levels. Jason Mast, STAT, 7 May 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

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Cite this Entry

“Vastly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vastly. Accessed 15 May. 2026.

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