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

Soon after the vast curve of the stern submerged, they were jounced by the rumble of an underwater detonation, and a colossal surge of foaming ocean boiled up, with corpses and wreckage spinning up from below, and the resulting wave pushed Constance and the children even farther away. —Jim Shepard, New Yorker, 8 June 2025

In other words, the vast majority of these women preferred to self-manage their abortions with acompañamiento over going to a doctor. —Marta Martínez, NPR, 8 June 2025

The script didn’t include the visual elements that would ultimately come to define the franchise – the neo-noir, the 1970s style kung fu – but Stahelski remembers Reddick inherently understanding the movie's vast potential for storytelling and world-building. —Brian Truitt, USA Today, 7 June 2025

When Autonomous Agents Go Rogue AI agents employ machine learning to continually learn from vast volumes of real-time data. —Steve Durbin, Forbes.com, 30 May 2025