VAST

Definitions

1. 1. Waste; desert; desolate; lonely. [Obs.] The empty, vast, and wandering air. Shak.
2. 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. 3. Very great in numbers, quantity, or amount; as, a vast army; a vast sum of money.
4. 4. Very great in importance; as, a subject of vast concern.