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.
As of March 18, the death toll in Gaza had risen to 72,253, with another 171,912 injured (figures believed to be vastly underestimated). Voice Of The People, New York Daily News, 12 June 2026 Both Hollywood legends appeared in the 1991 version in vastly different roles. Bryan Alexander, USA Today, 12 June 2026 According to Pro Football Reference, Legette only started 12 of 15 games played — and by the end of the season, his snap counts were vastly lower than the snap counts of wide receiver Jalen Coker. Alex Zietlow, Charlotte Observer, 11 June 2026 For the next few weeks, billions of people across the globe—speaking different languages, holding different beliefs, and living under vastly different political systems—will tune in to the same pitches, cheer for their players, and experience the same moments of triumph and heartbreak. Mary Crossan, Forbes.com, 11 June 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 16 Jun. 2026.

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