Synonyms

vastly

American

[vast-lee, vahst‐] / ˈvæst li, ˈvɑst‐ /

adverb

to an extremely great extent or degree; hugely.

We still have essentially the same brains as early humans, but most of us live in vastly different circumstances than they did.

Other Word Forms

supervastly

adverb

Etymology

Origin of vastly

vast ( def. ) + -ly

Vocabulary lists containing vastly

Debbie Reynolds (1932-2016) Tribute List

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

And a man of 70 could today lock in a lofty payout rate of 9.3%, also the highest in about a generation, and vastly higher than he could have gotten just last fall.

From MarketWatch • May 21, 2026

"The prediction combines electromagnetic, weak and strong forces, that each require vastly different theoretical tools, into a single calculation that's accurate to parts per billion," Fodor said.

From Science Daily • May 19, 2026

A draw is almost certain to be enough for Spurs, due to their vastly superior goal difference.

From BBC • May 17, 2026

Yet the disappointment that one has given the government a sizable interest-free loan tends to be vastly outweighed by the thrill of more cash in hand.

From The Wall Street Journal • May 13, 2026

The wire of our Nation of Islam brought all Muslims the joyful news that the Arizona climate did vastly relieve the Messenger’s suffering.

From "The Autobiography of Malcolm X" by Alex Malcolm X;Hailey

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023