Vast, n. A waste region; boundless
space; immensity. "The watery vast." Pope.
Michael bid sound
The archangel trumpet. Through the vast of heaven
It sounded.
Milton.Vast (?), a. [Compar.
Vaster (?); superl. Vastest.] [L.
vastus empty, waste, enormous, immense: cf. F. vaste. See
Waste, and cf. Devastate.]
1. Waste; desert; desolate; lonely.
[Obs.]
The empty, vast, and wandering air.
Shak.
2. Of great extent; very spacious or large; also,
huge in bulk; immense; enormous; as, the vast ocean; vast
mountains; the vast empire of Russia.
Through the vast and boundless deep.
Milton.
3. Very great in numbers, quantity, or amount; as,
a vast army; a vast sum of money.
4. Very great in importance; as, a subject of
vast concern.
Syn. -- Enormous; huge; immense; mighty.