VAST Synonyms: 123 Similar and Opposite Words

Q: How is the word 'vast' distinct from other similar adjectives?

Some common synonyms of vast are colossal , enormous , gigantic , huge , immense , and mammoth . While all these words mean "exceedingly large," vast usually suggests immensity of extent. // the vast Russian steppes

Q: When might 'colossal' be a better fit than 'vast'?

The words colossal and vast can be used in similar contexts, but colossal applies especially to a human creation of stupendous or incredible dimensions. // a colossal statue of Lincoln

Q: How do 'enormous' and 'immense' relate to one another, in the sense of 'vast'?

Enormous and immense both suggest an exceeding of all ordinary bounds in size or amount or degree, but enormous often adds an implication of abnormality or monstrousness. // an enormous expense // an immense shopping mall

Q: Where would 'gigantic' be a reasonable alternative to 'vast'?

Although the words gigantic and vast have much in common, gigantic stresses the contrast with the size of others of the same kind. // a gigantic sports stadium

Q: When could 'huge' be used to replace 'vast'?

The synonyms huge and vast are sometimes interchangeable, but huge commonly suggests an immensity of bulk or amount. // incurred a huge debt

Q: When would 'mammoth' be a good substitute for 'vast'?

The meanings of mammoth and vast largely overlap; however, mammoth suggests both hugeness and ponderousness of bulk. // a mammoth boulder

vast

adjective

ˈvast

Definition of vast

as in huge

unusually large a vast expanse of land just waiting to be settled

Synonyms & Similar Words

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How is the word vast distinct from other similar adjectives?

Some common synonyms of vast are colossal, enormous, gigantic, huge, immense, and mammoth. While all these words mean "exceedingly large," vast usually suggests immensity of extent.

the vast Russian steppes

When might colossal be a better fit than vast?

The words colossal and vast can be used in similar contexts, but colossal applies especially to a human creation of stupendous or incredible dimensions.

a colossal statue of Lincoln

How do enormous and immense relate to one another, in the sense of vast?

Enormous and immense both suggest an exceeding of all ordinary bounds in size or amount or degree, but enormous often adds an implication of abnormality or monstrousness.

an enormous expense

an immense shopping mall

Where would gigantic be a reasonable alternative to vast?

Although the words gigantic and vast have much in common, gigantic stresses the contrast with the size of others of the same kind.

a gigantic sports stadium

When could huge be used to replace vast?

The synonyms huge and vast are sometimes interchangeable, but huge commonly suggests an immensity of bulk or amount.

incurred a huge debt

When would mammoth be a good substitute for vast?

The meanings of mammoth and vast largely overlap; however, mammoth suggests both hugeness and ponderousness of bulk.

a mammoth boulder

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 vast Defending Saudi Arabia means protecting a vast network of targets, not just Riyadh or a single refinery. — Tim Lister, CNN Money, 13 Oct. 2026 This stops the vast majority of these schemes and costs nothing to implement. — Expert Panel®, Forbes.com, 13 Oct. 2026 Across a vast and punishing Atlantic, the voyage exhausted the patience of its crew, but never the conviction of its captain. — Mackenzie Chase, The Washington Examiner, 12 Oct. 2026 Chinese companies can draw on real-world data from the country’s vast manufacturing base and widespread deployment of robots, giving them a data advantage that none of their competitors alone can match. — Scott Singer, Foreign Affairs, 12 Oct. 2026 See All Example Sentences for vast

Recent Examples of Synonyms for vast

Adjective

The account has more than 13 million followers, giving whoever controlled it access to a huge audience and the credibility that comes with Microsoft’s name.

— Kurt Knutsson, FOXNews.com, 11 Oct. 2026
For a family living in poverty, having a home can make a huge difference in the fight for survival.

— Kamala Thiagarajan, NPR, 11 Oct. 2026

Definition of huge

Adjective

First developed in the 1950s, this aircraft has an enormous weapon payload capacity and intercontinental range.

— Christopher McFadden, Interesting Engineering, 11 Oct. 2026
On top of store closures and unsold inventory, the company was choking on enormous debt from a private equity buyout in 2014.

— Phil Wahba, Fortune, 10 Oct. 2026

Definition of enormous

Adjective

The Board leverages the visual engagement potential of a gigantic iPad with the appealing tactility of board games.

— Kevin Cortez, Time, 15 Oct. 2026
M'Baku is the leader of the Jabari tribe, a Wakandan community that worships a gigantic white gorilla deity.

— Sohini Sarah Pillai, The Conversation, 14 Oct. 2026

Definition of gigantic

Adjective

Last-minute changes and unscheduled requests to cover other clients can place tremendous stress on the field caregiver.

— Colin Conner II, Forbes.com, 16 Oct. 2026
There has been a tremendous amount of recent development in Chelsea, but, ever the story in New York City, as beloved old places close their doors, new favorites emerge.

— The New Yorker, New Yorker, 16 Oct. 2026

Definition of tremendous

Adjective

Throw in a third massive object, though, and the math gets ridiculously more complicated and difficult to solve.

— Phil Plait, Scientific American, 16 Oct. 2026
Wearing impractical stilettos and clutching a massive Stanley cup, Trina is introduced to her new pupils.

— Aramide Tinubu, Variety, 15 Oct. 2026

Definition of massive

Adjective

The most direct tribute to Tippett came in the battle against two giant droids guarding an overlord’s chamber.

— Davide Abbatescianni, Variety, 16 Oct. 2026
The giant company now called Skydance Media made some commitments to the indie film space in a settlement with a group of Attorneys General who had sued to block the merger.

— Jill Goldsmith, Deadline, 15 Oct. 2026

Definition of giant

Adjective

The situation is particularly dire given the film’s colossal budget, which totaled around $180 million.

— Lou Gomis, Vanity Fair, 14 Oct. 2026
The Vikings avoided a colossal mistake in the fourth quarter when Justin Jefferson's throwback near midfield was nearly swiped by the Saints.

— CBS News, CBS News, 13 Oct. 2026

Definition of colossal

Browse Nearby Words

varying

vast

vastitude

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“Vast.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/vast. Accessed 18 Oct. 2026.

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Synonyms of vast

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