: 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 Web
Sarah Khan, Condé Nast Traveler, 23 Nov. 2024
That is unsurprising because Texas is huge, with vast highways, bustling cities, and rural roads.
—Nia Bowers, Austin American-Statesman, 22 Nov. 2024
Additional highlights include a vast courtyard with a flat expanse of lawn, a swimming pool with an inset spa and a ping-pong pavilion.
—Abby Montanez, Robb Report, 22 Nov. 2024
The new record, with women holding 49% of legislative seats, marks a vast increase over the last decade.
—Mackenzie Mays, Los Angeles Times, 22 Nov. 2024
See all Example Sentences for vast 
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Adjective
Crookes And Jackson Stretching from the Rift Valley to the slopes of Mount Kenya, the vast Laikipia Plateau is a compelling alternative to the Masai Mara—where overcrowding can impact the wilderness experience, especially during the peak of the migration.
—Sarah Khan, Condé Nast Traveler, 23 Nov. 2024
That is unsurprising because Texas is huge, with vast highways, bustling cities, and rural roads.
—Nia Bowers, Austin American-Statesman, 22 Nov. 2024
Additional highlights include a vast courtyard with a flat expanse of lawn, a swimming pool with an inset spa and a ping-pong pavilion.
—Abby Montanez, Robb Report, 22 Nov. 2024
The new record, with women holding 49% of legislative seats, marks a vast increase over the last decade.
—Mackenzie Mays, Los Angeles Times, 22 Nov. 2024
See all Example Sentences for vast
Dictionary Entries Near vast
Cite this Entry
“Vast.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vast. Accessed 28 Nov. 2024.
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