Dictionary.com
Thesaurus.com
Synonyms

vastly

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

adverb

  1. 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

Etymology

Origin of vastly

vast ( def. ) + -ly

Vocabulary lists containing vastly

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.

See Examples For:

The exchanges would have had to concede that the crypto assets on their platforms were securities and operate under legacy rules and regulations designed for vastly different infrastructure.

From The Wall Street Journal ● Oct. 5, 2026

In addition to being ideologically divided, young men and women have vastly different beliefs about religion and gender.

From Salon ● Oct. 2, 2026

The numbers are expected to vastly increase before the Nov. 3 election.

From Los Angeles Times ● Sep. 28, 2026

But the universe outside our observable patch could be vastly larger.

From Science Daily ● Sep. 28, 2026

Was it always so, or did they multiply vastly, along with telephones and new shoes and transistor radios and cellophane-wrapped tomatoes, in our absence?

From "The Poisonwood Bible" by Barbara Kingsolver

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember new words for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com