: very great in size, amount, degree, intensity, or especially in extent or range
vast knowledge
a vast expanse
: a boundless space
the vast of heaven—
John Milton
John MiltonSynonyms
Adjective
- astronomical
- astronomic
- Brobdingnagian
- bumper
- colossal
- cosmic
- cosmical
- cyclopean
- elephantine
- enormous
- galactic
- gargantuan
- giant
- gigantesque
- gigantic
- grand
- herculean
- heroic
- heroical
- Himalayan
- huge
- humongous
- humungous
- immense
- jumbo
- king-size
- king-sized
- leviathan
- mammoth
- massive
- mega
- mighty
- monster
- monstrous
- monumental
- mountainous
- oceanic
- pharaonic
- planetary
- prodigious
- super
- super-duper
- supersize
- supersized
- titanic
- tremendous
- vasty
- walloping
- whacking
- whopping
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
Recent Examples on the WebAmy Dickinson, The Denver Post, 31 May 2024
The vast majority of tick bites do not lead to disease, for several reasons.
—Jamie Ducharme, TIME, 31 May 2024
The vast majority of voters in this election — well over 80% — made up their minds long ago.
—David Lauter, Los Angeles Times, 1 June 2024
So, too, has his vast postseason experience, with over 100 playoff games in his career and a Stanley Cup with the St. Louis Blues in 2019.
—Jordan McPherson, Miami Herald, 1 June 2024
See all Example Sentences for vast 
Adjective
The vast majority of homes are very well-maintained and manicured.
—Amy Dickinson, The Denver Post, 31 May 2024
The vast majority of tick bites do not lead to disease, for several reasons.
—Jamie Ducharme, TIME, 31 May 2024
The vast majority of voters in this election — well over 80% — made up their minds long ago.
—David Lauter, Los Angeles Times, 1 June 2024
So, too, has his vast postseason experience, with over 100 playoff games in his career and a Stanley Cup with the St. Louis Blues in 2019.
—Jordan McPherson, Miami Herald, 1 June 2024
See all Example Sentences for vast
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'vast.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near vast
Cite this Entry
“Vast.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vast. Accessed 6 Jun. 2024.
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