adj.
Pronunciation: ' vast
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 \ ' vas(t)-n ə s \ noun