\ ˈvast How to pronounce vast (audio) \

Definition of vast

 (Entry 1 of 2)

: very great in size, amount, degree, intensity, or especially in extent or range vast knowledge a vast expanse



Definition of vast (Entry 2 of 2)

: a boundless space the vast of heaven— John Milton

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Other Words from vast


vastness \ ˈvas(t)-​nəs How to pronounce vastness (audio) \ noun

Choose the Right Synonym for vast


enormous, immense, huge, vast, gigantic, colossal, mammoth mean exceedingly large. 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 huge commonly suggests an immensity of bulk or amount. incurred a huge debt vast usually suggests immensity of extent. the vast Russian steppes gigantic stresses the contrast with the size of others of the same kind. a gigantic sports stadium colossal applies especially to a human creation of stupendous or incredible dimensions. a colossal statue of Lincoln mammoth suggests both hugeness and ponderousness of bulk. a mammoth boulder

Examples of vast in a Sentence

Adjective She has a vast amount of knowledge on this subject. The policy is supported by the vast majority of citizens. a vast expanse of land
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Recent Examples on the Web: Adjective The vast majority of people in child support or custody cases appear without counsel. Kathryn Joyce, The New Republic, "No Money, No Lawyer, No Justice," 22 June 2020 The vast majority of money that supports SF New Deal comes from donations from people in our community. Justin Phillips, SFChronicle.com, "Podcast: Vinny Eng on how SF New Deal has kept restaurants going through the pandemic," 22 June 2020 The vast majority of Trump’s spending, $19.8 million, went to a media-buying firm, American Made Media Consultants. Shane Goldmacher, BostonGlobe.com, "Biden’s $80.8 million outpaced Trump’s fund-raising in May," 21 June 2020 Coronavirus deaths in nursing homes continue to make up the vast majority of pandemic fatalities in the state, according to the most recent Ohio Health Department data. USA TODAY, "State fair upheaval, sewage testing, new mask rules: News from around our 50 states," 20 June 2020 In fact, the vast majority of customers are convinced the safety issues will be corrected and are sticking with the Max. Shawn Tully, Fortune, "6 reasons Boeing’s financial picture may be brighter than most assume," 20 June 2020 The vast majority of construction has taken place on public lands, especially in Arizona. Rafael Carranza, azcentral, "Trump to visit Yuma on Tuesday to mark completion of 200 miles of new border wall," 19 June 2020 The vast majority of Facebook's revenue comes from advertising. Brian Fung, CNN, "The North Face is the biggest brand yet to join Facebook ad boycott," 19 June 2020 But from my personal experience the vast majority of refugees want to return home, and would do so, if their home countries were stable. Angelina Jolie, Time, "Angelina Jolie: The World's Refugee Crisis Is Bad Now—But It's Only Going to Get Worse," 18 June 2020 Recent Examples on the Web: Noun Furthermore, it could be easily scaled up, thereby opening vasts swaths of the universe to observation without the hefty price tag associated with building large, solid telescopes. Daniel Oberhaus, WIRED, "New Space Telescopes Could Look Like Giant Beach Balls," 11 June 2019 That is a more ticklish argument: the obstruction laws are complicated and the ambit of presidential power vast. The Economist, "Donald Trump’s powers are not quite as vast as his lawyers claim," 7 June 2018 As a Cold War-era child who did drop-and-cover nuclear-attack drills under my desk, I’d been ingrained with ominous, gray images of Soviet military tanks rolling through the vast cobbled landmark. Norma Meyer, sandiegouniontribune.com, "Beauty, history, people make Russia trip memorable," 20 Sep. 2017 Near Potsdam, and a stone’s throw from the breathtaking gardens of Sanssouci Palace, lies Templiner See: Vast and choppy, there’s a seaside holiday vibe in the air. Alexandra Pereira, CNT, "Why Swimming Is the Ultimate Berlin Summer Pastime," 9 Aug. 2017 A clatter of gunshots suggested the worst The Brillante was built like two rectangles joined at a right angle: one vast, flat, hollow shape that held the liquid cargo, and one smaller, upright stack that contained mechanical systems and crew spaces. Bloomberg.com, "The Hijacking of the Brillante Virtuoso," 27 July 2017 Vast and growing databases compiled for commerce and policing are also for sale to politicians and their strategists, who can now know more about you than your spouse or parents. Nina Burleigh, Newsweek, "How Big Data Mines Personal Info to Craft Fake News and Manipulate Voters," 8 June 2017 Vast sums must be invested to build refineries and smelters to turn that ore into metal. James R. Hagerty, WSJ, "Alcan CEO David Culver Bet on Aluminum and Quebec," 10 Mar. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'vast.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of vast


1585, in the meaning defined above


1604, in the meaning defined above

History and Etymology for vast


borrowed from Latin vāstus or vastus "devoid of habitation, desolate, dreary," also, "of great size, immense," probably in part continuing Indo-European *h1u̯eh2-sto- (whence Old High German wuosti "empty, deserted," Old English wēste, Old Irish fás), in part conflated with another base *wast- of uncertain origin


noun derivative of vast entry 1, perhaps by analogy with deep entry 1, deep entry 3

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Last Updated

25 Jun 2020

Cite this Entry

“Vast.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vast. Accessed 6 Jul. 2020.

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More Definitions for vast

How to pronounce vast (audio)

English Language Learners Definition of vast

: very great in size, amount, or extent
\ ˈvast How to pronounce vast (audio) \

Kids Definition of vast

: very great in size or amount vast stretches of land She has vast experience.

Other Words from vast

vastly adverb
vastness noun

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More from Merriam-Webster on vast

Thesaurus: All synonyms and antonyms for vast

Rhyming Dictionary: Words that rhyme with vast

Spanish Central: Translation of vast

Nglish: Translation of vast for Spanish Speakers

Britannica English: Translation of vast for Arabic Speakers

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