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 Fenech headed the Tumas Group, which has vast interests spanning gaming, hospitality and leisure, management and property development. — Reuters, NBC news, 2 July 2026 Now, a new crop of leaders has emerged, reflecting Silicon Valley’s vast influence over the film and and TV business, which has been upended by streaming and, now, artificial intelligence. — Meg James, Los Angeles Times, 2 July 2026 Hyundai, Boston Dynamics' parent company, plans to leverage its vast manufacturing expertise to produce 30,000 units annually. — John Koetsier, Forbes.com, 2 July 2026 Rodríguez said authorities have recorded 862 aftershocks since the main quakes and confirmed that 189 buildings collapsed completely nationwide, the vast majority in La Guaira, the coastal state that suffered the worst destruction. — Antonio María Delgado, Miami Herald, 3 July 2026 See All Example Sentences for vast

Recent Examples of Synonyms for vast

Adjective

Benjamin Willis, a Lorain, Ohio, teenager and huge Marvel movie fan, opened his mouth in awe.

— Rodney Ho, AJC.com, 6 July 2026
That water supply is not the same water supply that goes toward agriculture, which accounts for a huge portion of the water used in the country, Anisfeld said.

— Jeanine Santucci, USA Today, 5 July 2026

Definition of huge

Adjective

Hagan Community Park in Rancho Cordova transformed from a serene hangout spot into an enormous fun-fest fit for a nation’s 250th birthday on Friday.

— Camila Pedrosa, Sacbee.com, 4 July 2026
Over time, these little communication shifts can create enormous changes in your home.

— Siggie Cohen, CNBC, 4 July 2026

Definition of enormous

Adjective

But a loss, coming after such an absurd, farcical process, and removing the possibility of a gigantic matchup against Spain or Portugal in the quarterfinals in Los Angeles, would be unforgivable.

— Ian Miller OutKick, FOXNews.com, 3 July 2026
The gigantic star cluster inside the nebula NGC 3603 (about 20,000 light-years away) shines in a second image.

— Andrew Paul, Popular Science, 2 July 2026

Definition of gigantic

Adjective

Atlanta Braves at Truist Park A massive Braves block party will take place in Truist Park on Saturday, with flyovers, baseball, fireworks and more.

— Irene Wright, USA Today, 3 July 2026
Artist Stan Herd created a massive quarter-acre Algerian flag earthwork near the Lied Center on west campus.

— Gary Bedore, Kansas City Star, 3 July 2026

Definition of massive

Adjective

Venezuelans are assessing the vast scale of their losses 12 days after powerful twin earthquakes killed at least 3,535 people, injured many more and left behind immense destruction.

— Nicole Acevedo, NBC news, 6 July 2026
England saw off an immense challenge from Mexico, beating one of the tournament co-hosts in their home stadium after seeing one player sent off in a game that will go down as one of the best of the 2026 World Cup.

— Hannah Keyser, CNN Money, 5 July 2026

Definition of immense

Adjective

The name Chelydra serpentina evokes colossal reptiles stomping through ancient forests.

— Hannah Smith July 1, Idaho Statesman, 1 July 2026
His public funeral will begin on Saturday, with his body lying in state at the colossal complex in central Tehran that hosts major Friday prayers, official ceremonies and religious gatherings.

— Alex Sundby, CBS News, 30 June 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 7 Jul. 2026.

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Synonyms of vast

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