Main Entry: ¹vast

Pronunciation: \ˈvast\

Function: adjective

Etymology: Latin vastus; akin to Old High German wuosti empty, desolate, Old Irish fás

Date: 1585

: very great in size, amount, degree, intensity, or especially in extent or range <vast knowledge> <a vast expanse>

synonyms see enormous

— vast·ly adverb

— vast·ness \ˈvas(t)-nəs\ noun