Word
vast
US/ˈvæst/
UK/vˈɑːst/
Definitions
01extremely large in area
B2 · Upper Intermediate
adj. very large or wide, covering a huge amount of space.
adj. of very great extent or area; immense in physical space.
日本語:広大※
“The desert was a vast ocean of sand that seemed to go on forever.”
“The explorers were overwhelmed by the vast expanse of the Siberian tundra, where the horizon remained unbroken for hundreds of miles.”
02great in amount or degree
B2 · Upper Intermediate
adj. very great in size, amount, or importance.
adj. very great in number, quantity, amount, or degree.
日本語:膨大※
“The project will cost a vast amount of money to complete.”
“The study revealed a vast difference in the quality of healthcare available to urban and rural populations.”
Synonyms
03a boundless space
C2 · Proficiency Countable noun Literary
n. a huge, empty space that has no visible limits.
n. an immense or boundless space or expanse. Often used with 'the'.
“The stars shone brightly in the dark vast of the night sky.”
“The poet gazed into the starry vast, contemplating the insignificance of human life against the scale of the universe.”
Collocations
Common phrases and expressions where native English speakers use the word “vast” in context.
Adjective
01. vast array
“The museum offers a vast array of artifacts from ancient civilizations.”
adj + noun
Real-World Examples
“More than 10 million years ago, a vast lake covered much of the continent, home to giant turtles and crocodylians.” “We needed a more reliable way to examine vast areas of remote forest.” Related words
Idioms
01. vast majority
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Common
- Level
- B2 · Upper IntermediateOxford
- Updated
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QR code
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「日本語」 data: JMdict (EDRDG), CC BY-SA 4.0