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.
Despite Republican campaign arms vastly out-raising their Democratic counterparts, individual Democratic candidates in battleground Senate races have a sizable cash advantage over their Republican competitors. — Mabinty Quarshie, The Washington Examiner, 3 Sep. 2026 Steep Learning Curve ProPublica’s analysis also found that judges within the same district can take vastly different amounts of time to resolve habeas cases. — Carla Astudillo, ProPublica, 3 Sep. 2026 That could give small nuclear systems access to decades of engineering investment from industries that manufacture at vastly greater scale. — Aamir Khollam, Interesting Engineering, 2 Sep. 2026 Two candidates with identical credentials might possess vastly different capabilities, but employers lacked the tools to see those differences clearly. — Raghu Krishnaiah, Forbes.com, 2 Sep. 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 4 Sep. 2026.

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