vastly

adverb

vast·​ly ˈvast-lē How to pronounce vastly (audio)
: 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.
Bhattacharya noted that the United States’ investment in research has vastly improved outcomes for children with cancer. Jen Christensen, CNN Money, 1 Oct. 2025 Improved lighting techniques in the perpetually dark Raccoon City police station made for a vastly scarier and immersive atmosphere than the pixelated haze of before. George Yang, Rolling Stone, 30 Sep. 2025 Turnover was high during those times, but Mizrahi said retention has vastly improved to pre-pandemic numbers. Lauren Giella, MSNBC Newsweek, 30 Sep. 2025 In the mammalian cortex, excitatory neurons vastly outnumber inhibitory ones. Yasemin Saplakoglu, Quanta Magazine, 29 Sep. 2025 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 7 Oct. 2025.

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