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.
Modern satellites are also vastly more capable than their predecessors. New Atlas, 30 May 2026 Three decades later, the climbing landscape on the mountain is vastly different, with huge improvements to safety and communications. Helen Regan, CNN Money, 30 May 2026 Indeed, this team found six red dwarfs in three different star clusters with vastly more lithium than would be expected. Robert Lea, Space.com, 29 May 2026 The fifty-three artists in the show are all living and working in New York (though of vastly varied origins); many of them are young, doing their best in a city that seems to valorize yet beleaguer youth. Zoë Hopkins, New Yorker, 29 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 5 Jun. 2026.

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