Synonyms of vast

vast

adjective

ˈvast 

as in huge

unusually large

a vast expanse of land just waiting to be settled

Synonyms & Similar Words

• huge
• enormous
• gigantic
• tremendous
• massive
• giant
• immense
• colossal
• mammoth
• astronomical
• monumental
• mountainous
• astronomic
• sizable
• monstrous
• bumper
• mighty
• big
• titanic
• monster
• oceanic
• great
• gargantuan
• prodigious
• humongous
• oversized
• grand
• cosmic
• considerable
• oversize
• substantial
• cosmical
• mega
• planetary
• galactic
• heroic
• super
• vasty
• whopping
• humungous
• elephantine
• herculean
• extensive
• majestic
• heroical
• staggering
• jumbo
• Himalayan
• sizeable
• formidable
• cyclopean
• good
• pharaonic
• gigantesque
• handsome
• major
• infinite
• king-size
• Brobdingnagian
• supersized
• leviathan
• voluminous
• imposing
• overwhelming
• king-sized
• outsized
• goodly
• supersize
• gross
• tidy
• super-duper
• whacking
• walloping
• hefty
• largish
• outsize
• overgrown
• stupendous
• bulky
• cavernous
• grandiose
• boundless
• lofty
• immeasurable
• hulking
• monolithic
• towering
• august

Antonyms & Near Antonyms

• tiny
• minuscule
• infinitesimal
• microscopic
• diminutive
• miniature
• small
• pocket
• microscopical
• micro
• little bitty
• bitty
• teensy
• teeny
• wee
• Lilliputian
• little
• puny
• pygmy
• minute
• smallish
• midget
• petite
• mini
• undersized
• undersize
• microminiature
• teensy-weensy
• teeny-weeny
• bantam
• dinky
• dwarfish
• pint-size
• pint-sized
• half-pint

Synonym Chooser

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

Recent Examples of vast

For people in vast swaths of Earth without access to cooling, the future looks hotter and filled with more sleep disruptions. —Alejandra Borunda, NPR, 23 June 2025

Maybe one day democracy really will bloom like wildflowers across the vast deserts of the Middle East, just as the neocons envisioned. —Carlo Versano, MSNBC Newsweek, 23 June 2025

Browsing Facebook for organizers of class reunions is an apt way to find a master node that can connect you to a vast network of people willing to talk. —Brendan O’Meara 23, Literary Hub, 23 June 2025

This was done with the aid of powerful new equipment, such as the Great Equatorial Telescope - a 28-feet-long (8.5 metres) refracting telescope that boasted a 28-inch aperture, which had to be housed in a vast circular shell known as the 'Onion Dome' when installed in 1893. —Anthony Wood, Space.com, 22 June 2025