Definitions

vast

[vast] / væst /

ADJECTIVE

very large; wide in range

Synonyms

STRONGEST

ample big boundless broad colossal endless enormous extensive far-flung far-reaching gigantic great huge immense infinite limitless mammoth massive monumental spacious tremendous unlimited

WEAK

all-inclusive astronomical capacious comprehensive detailed eternal expanded forever giant illimitable immeasurable measureless monstrous never-ending prodigious prolonged spread-out stretched-out sweeping titanic unbounded voluminous widespread

Antonyms

STRONGEST

bounded calculable ending finite insignificant limited little miniature minute narrow restricted short small teeny tiny trivial unimportant

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.

In recent years, scientists have increasingly focused on the gut microbiome, the vast ecosystem of bacteria, viruses, and other microorganisms living in the digestive system.

From Science Daily • Apr. 22, 2026

The vast majority, around 84% of the crude oil and condensates, an ultra-light oil, that flowed through the Strait of Hormuz went to Asian markets in 2024, according to the Energy Information Administration.

From MarketWatch • Apr. 22, 2026

He rose to lead the company’s vast hardware operation.

From Los Angeles Times • Apr. 22, 2026

More than 190,000 Afghans have found new homes in the United States, with the vast majority living without incident, after the Taliban stormed back to power.

From Barron's • Apr. 21, 2026

He could close his eyes and picture the vast expanse of the desk, almost completely empty.

From "Found" by Margaret Peterson Haddix

Vocabulary lists containing vast

Figurative Language in King's "I Have a Dream" Speech (1963)

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"The Ravine," Vocabulary from the short story

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Unit 1: Telling Details

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