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 NeoteAI Another approach to scaling tactile data could be to piggyback on the vast quantities of visual robotics data already collected. — IEEE Spectrum, 10 Sep. 2026 Elk Behavior Elk country typically includes a vast area, from very high elevations to the lowlands. — Jim Zumbo, Outdoor Life, 10 Sep. 2026 The vast majority of living organisms, however, are not able to use nitrogen in its gaseous form. — Encyclopedia Britannica, 9 Sep. 2026 There are security stations throughout, and the vast majority of foot traffic consists of convention attendees and registrants, all flowing through a checkpoint in front of the AAC. — Doug Myers, CBS News, 9 Sep. 2026 See All Example Sentences for vast

Recent Examples of Synonyms for vast

Adjective

The cast’s Blackness is a huge part of this — signifying is in their blood — but the impact spread across the whole franchise.

— Ile-Ife Okantah, Vulture, 7 Sep. 2026
That was a play with huge ramifications that, to some extent, still sticks with Williams.

— Dan Wiederer, New York Times, 7 Sep. 2026

Definition of huge

Adjective

Light can carry enormous amounts of information, and optical connections can offer high bandwidth over relatively long distances.

— Kaif Shaikh, Interesting Engineering, 5 Sep. 2026
Perhaps Vance’s affection for Carlson has more to do with holding the loyalty of his friend’s enormous audience.

— Jonathan Chait, The Atlantic, 5 Sep. 2026

Definition of enormous

Adjective

The gigantic sinkhole, which formed in the driveway of the Malibu, California, home, is estimated to be up to 30 feet deep, 30 feet wide and 60 feet long, according to a proclamation of a local emergency issued by the City of Malibu.

— Taijuan Moorman, USA Today, 9 Sep. 2026
The 6-foot-6, 238-pounder is basically a gigantic receiver who isn’t afraid to put his hand in the dirt and block.

— Nick Baumgardner, New York Times, 9 Sep. 2026

Definition of gigantic

Adjective

Decker had tremendous success at Old Dominion last season, and his quarterback Colton Joseph, now at Wisconsin, was the Sun Belt Offensive Player of the Year.

— Antonio Morales, New York Times, 7 Sep. 2026
Her tremendous decision not to share every notification, though unseen by her children, quietly demonstrated her ability to move forward without asking permission from the past.

— Dr. Victor Fornari, New York Daily News, 6 Sep. 2026

Definition of tremendous

Adjective

Alongside those, Barca make massive amounts from merchandise, reflecting the club’s global appeal.

— Chris Weatherspoon, New York Times, 11 Sep. 2026
The second was King Philip’s War in the 1670s, which was a massive uprising in response to the harms of colonialism.

— Literary Hub, Literary Hub, 11 Sep. 2026

Definition of massive

Adjective

Earlier, in a downpour at daybreak, Defense Secretary Pete Hegseth and top military officials stood outside and watched as a giant American flag was unfurled on the building struck by one of those planes a quarter-century ago.

— Collin Binkley, Los Angeles Times, 11 Sep. 2026
The lobby is especially cozy, with a giant stone fireplace, unique antiques, stacks of books, and classic board games.

— Condé Nast, Condé Nast Traveler, 11 Sep. 2026

Definition of giant

Adjective

Like every tennis player, Alcaraz relies on the wrist of his racket hand to generate the immense levels of speed and spin that make his shots so difficult to handle.

— Matthew Futterman, New York Times, 8 Sep. 2026
In their lawsuit, the city and county say the financial damage caused by climate change is immense.

— Ian James, Los Angeles Times, 5 Sep. 2026

Definition of immense

Adjective

In the colossal yet claustrophobic world that Khrzhanovsky has created (or recreated), Russians are stuck between a rock and a hard place, between the hammer and the sickle.

— Jordan Mintzer, HollywoodReporter, 9 Sep. 2026
Trump to get access to that colossal wealth and Musk to avoid government investigations into his enterprises and to maintain access to the federal piggybank and untold troves of data.

— Matthew Carey, Deadline, 8 Sep. 2026

Definition of colossal

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vastitude

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“Vast.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/vast. Accessed 13 Sep. 2026.

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