VASTLY Synonyms: 158 Similar and Opposite Words

vastly

adverb

ˈvast-lē

Definition of vastly

as in extremely

to a great degree the team has vastly improved in the course of the season

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in highly

to a large extent or degree vastly underestimated the cost of advertising the new product

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

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.

Recent Examples of vastly But cryptocurrency, Libowitz said, offers vastly more potential for corruption. — Jenny Jarvie, Los Angeles Times, 1 July 2026 In 1979, new homebrewers began experimenting with making ales and other beers that were vastly different from typical American lagers. — Jay R. Brooks, Mercury News, 2 July 2026 But the vastly different conditions under which these objects were produced—at an internment camp and a Pennsylvania estate—expose the striated reality behind that iconography. — Cat Dawson, ARTnews.com, 3 July 2026 Investigators have determined the two attacks are unrelated, due to vastly different descriptions of the suspects, according to the Forsyth County Sheriff’s Office. — Mark Price july 2, Charlotte Observer, 2 July 2026 See All Example Sentences for vastly

Recent Examples of Synonyms for vastly

Adverb

The team turned to the Advanced Photon Source at Argonne National Laboratory, a stadium-sized synchrotron facility that produces extremely bright X-ray beams.

— New Atlas, New Atlas, 6 July 2026
Teasing out the impact of a small dose of radiation that occurs in addition to all those other exposures is extremely challenging, and the impact of extremely low exposures has not been decisively demonstrated.

— ArsTechnica, ArsTechnica, 6 July 2026

Definition of extremely

Adverb

New reads abound for your vacation tote throughout the weeks of July, with fiction picks featuring a Carnival cruise casualty, a highly entertaining jewel heist at the Waldorf-Astoria, and a Soviet-era madcap adventure.

— Bethanne Patrick, Los Angeles Times, 2 July 2026
This cucumber-and-onion dip meshes both flavors from the beloved Southern appetizers to make a zesty, creamy dish that will be highly appreciated at any party.

— Jenna Sims, Southern Living, 1 July 2026

Definition of highly

Adverb

Both Israeli supporters, Jeffries and Clark, have benefited greatly from lavish campaign contributions from AIPAC — the American Israel Public Affairs Committee.

— Peter Lucas, Boston Herald, 4 July 2026
Regional customs and crops greatly influenced what the colonists ate.

— Teresa Mull, FOXNews.com, 4 July 2026

Definition of greatly

Adverb

Despite consuming mass quantities of high-calorie foods during competition season, most professional competitive eaters are very lean.

— Jennifer Borresen, USA Today, 3 July 2026
Music icon Taylor Swift and football star Travis Kelce, who announced their engagement in August 2025, are anticipated to tie the knot very soon.

— Brendan Le, PEOPLE, 3 July 2026

Definition of very

Adverb

Media attention on the case has waned considerably since mid-February, ⁠when the sheriff and FBI released surveillance footage of an armed prowler in a ski mask shown tampering with Nancy Guthrie's doorbell camera shortly before she was abducted.

— Jana Winter, USA Today, 1 July 2026
Longer lives have produced careers that are more dynamic, less linear and often considerably longer than those experienced by previous generations.

— Sheila Callaham, Forbes.com, 30 June 2026

Definition of considerably

Adverb

But everyone on the Spurs shot terribly from deep in the clutch.

— Jared Weiss, New York Times, 29 June 2026
Wonderfully and terribly, everything does happen for Maddie after her adoring bear of a husband, Jake (Eric Rahill), makes a cooking video of her that goes massively viral.

— Joshua Rothkopf, Los Angeles Times, 26 June 2026

Definition of terribly

Adverb

Over the past decade, home prices have risen much faster than wages.

— Daniel de Visé, USA Today, 3 July 2026
These conditions had much higher fatality rates in 1776 because Americans had no antibiotics, few vaccines, no understanding of germ theory, no sterile surgical techniques and limited access to hospitals, experts note.

— Melissa Rudy, FOXNews.com, 3 July 2026

Definition of much

Browse Nearby Words

vastitude

vastly

vastness

See all Nearby Words

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Style

“Vastly.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/vastly. Accessed 8 Jul. 2026.

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Synonyms of vastly

adverb

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