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.
Despite today’s vastly different landscape, though, many leaders remain focused on KPIs, hierarchy, and top-down control. William Arruda, Forbes.com, 25 June 2025 The last leadership transition, from Ayatollah Ruhollah Khomeini to Khamenei in 1989, occurred under vastly different conditions. Pegah Banihashemi, Chicago Tribune, 25 June 2025 What would be the impact on global trade if Iran closes the Strait of Hormuz? Oil exporters and importers would stand to be vastly impacted by a closure. Callum Sutherland, Time, 24 June 2025 Sometimes, even products made by the same manufacturers could have vastly different levels of magnesium, Alan said. Stephanie Brown, Verywell Health, 23 June 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

Browse Nearby Words

Cite this Entry

“Vastly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vastly. Accessed 2 Jul. 2025.

More from Merriam-Webster on vastly

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!