adjective \ˈvast\

: very great in size, amount, or extent

Full Definition of VAST

:  very great in size, amount, degree, intensity, or especially in extent or range <vast knowledge> <a vast expanse>
vast·ly adverb
vast·ness \ˈvas(t)-nəs\ noun

Origin of VAST

Latin vastus; akin to Old High German wuosti empty, desolate, Old Irish fás
First Known Use: 1585

Synonym Discussion of VAST

enormous, immense, huge, vast, gigantic, colossal, mammoth mean exceedingly large. 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>. huge commonly suggests an immensity of bulk or amount <incurred a huge debt>. vast usually suggests immensity of extent <the vast Russian steppes>. gigantic stresses the contrast with the size of others of the same kind <a gigantic sports stadium>. colossal applies especially to a human creation of stupendous or incredible dimensions <a colossal statue of Lincoln>. mammoth suggests both hugeness and ponderousness of bulk <a mammoth boulder>.

Rhymes with VAST



Definition of VAST

:  a boundless space <the vast of heaven — John Milton>

First Known Use of VAST

VAST Defined for Kids


adjective \ˈvast\

Definition of VAST for Kids

:  very great in size or amount <vast stretches of land> <She has vast experience.>
vast·ly adverb
vast·ness noun


Next Word in the Dictionary: vastationPrevious Word in the Dictionary: vassar tanAll Words Near: vast
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears