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Definition of: vast
(vast, väst) adjective
1. Of great extent; immense; enormous; huge; also, very spacious.
2. Very great in number, quantity, or amount.
3. Very great in degree, intensity, or importance.
4. Obs. Wide and waste; desolate; desert. See synonyms under IMMENSE, LARGE.
—noun
1. A boundless space; immensity.
2. Brit. Dial. A great quantity. [<L. waste, empty, vast. Related to WASTE.]
—vast′ly adverb
—vast′ness, vas·ti·tude (vas′tə·td, -tyd, väs′-) noun
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