Waste; desert; desolate; lonely.
Of great extent; very spacious or large; also, huge in bulk; immense; enormous; as, the vast ocean; vast mountains; the vast empire of Russia.
Very great in numbers, quantity, or amount; as, a vast army; a vast sum of money.
Very great in force; mighty; as, vast labor.
Very great in importance; as, a subject of vast concern.
A waste region; boundless space; immensity.