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 rush to build AI data centres has sent orders soaring for HBM, which help the systems process vast amounts of data.

From Barron's • 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

“To the vast majority of people government interference in matters of banking has become so much an integral part of the accepted institutions,” she acknowledged, “that to suggest its abandonment is to invite ridicule.”

From The Wall Street Journal • Apr. 21, 2026

I skulked over to a nearby bench and sat down, letting out a deep sigh that echoed in the vast waiting area.

From "The Detective's Assistant" by Kate Hannigan

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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