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

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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 To say that the vast majority of his views are loathsome to me is an understatement. — Frank Scheck, HollywoodReporter, 10 Nov. 2026 But the vast size and scope of the facility the series now calls home does mean that almost everything can be shot there. — Alex Ritman, Variety, 10 Nov. 2026 But the vast size of campaign coffers this cycle may have translated into more jobs than before. — Alex Harring, CNBC, 9 Nov. 2026 As with many things in history – especially when vast amounts of money are involved – there is a seamy side to the story, and Philbrick lays it out in detail. — Terry Hartle, Christian Science Monitor, 9 Nov. 2026 See All Example Sentences for vast

Recent Examples of Synonyms for vast

Adjective

Perhaps never before in midterm contests has the electorate waved such a huge middle finger at a president and his craven enablers, otherwise known as Republicans.

— Bradley Gitz, Arkansas Online, 9 Nov. 2026
Alaska could be transformed into a major data center hub following a new assessment of natural gas resources in the region which appear big enough to power huge advanced computing and AI sites.

— Oliver Trapnell, MSNBC Newsweek, 8 Nov. 2026

Definition of huge

Adjective

And that’s where the technology’s enormous energy density of 3,505 watt-hours per kilogram (Wh/kg) figure comes from.

— Christopher McFadden, Interesting Engineering, 7 Nov. 2026
Everything felt generous, from the space surrounding the enormous bed to the walk-in wardrobe and the standalone bathtub.

— Condé Nast, Condé Nast Traveler, 7 Nov. 2026

Definition of enormous

Adjective

The gigantic sculptures, though sedentary, have been on tour.

— Laura Zornosa, Los Angeles Times, 12 Nov. 2026
Ubisoft's Massive Entertainment also got it right with Star Wars Outlaws, but that ambitious open-world title — hardly a fresh pitch nowadays — also faced high sales expectations due to an inevitably gigantic production budget.

— Fran Ruiz, Space.com, 7 Nov. 2026

Definition of gigantic

Adjective

The Giants reportedly even checked in about Atlanta’s Bijan Robinson, the NFL’s leading rusher who signed a massive extension in the offseason.

— Peter Sblendorio, New York Daily News, 13 Nov. 2026
Homeowners in Keller's Marshall Ridge neighborhood had opposed the project, saying they were blindsided by plans to build the massive data center just a few hundred feet from their properties.

— Doug Myers, CBS News, 13 Nov. 2026

Definition of massive

Adjective

By sunset, everyone gathers on the beach to watch the last kiters streak across the water as what looks like a giant ball of fire slips into the ocean.

— Megan Spurrell, Condé Nast Traveler, 13 Nov. 2026
Menu favorites like vodka rigatoni appear alongside new dishes including a giant carbonara raviolo and lobster spaghetti fra diavolo.

— Miami Herald, Miami Herald, 13 Nov. 2026

Definition of giant

Adjective

Sources told Variety at the time that the initial cut ran nearly 150 minutes but showed immense promise, and that a tighter second version shown in the weeks prior appeared to have hit the sweet spot.

— Clayton Davis, Variety, 2 Nov. 2026
Registering with the agency is also expected to ensure immense tax benefits.

— Gene Johnson, Los Angeles Times, 2 Nov. 2026

Definition of immense

Adjective

As far as settings for monster movies go, that decimated landscape would seem an odd choice—the very raison d’être of such films is to show a colossal creature laying waste to a city.

— Matt Alt, New Yorker, 8 Nov. 2026
The northern lights could put on an impressive display this weekend as a colossal coronal hole on the sun fires a stream of high-speed solar wind toward Earth.

— Daisy Dobrijevic, Space.com, 6 Nov. 2026

Definition of colossal

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varying

vast

vastitude

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“Vast.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/vast. Accessed 15 Nov. 2026.

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