Vast(n.) A waste region; boundless space; immensity.
Vast(superl.) Of great extent; very spacious or large; also, huge in bulk; immense; enormous; as, the vast ocean; vast mountains; the vast empire of Russia.
Vast(superl.) Very great in importance; as, a subject of vast concern.
Vast(superl.) Very great in numbers, quantity, or amount; as, a vast army; a vast sum of money.
Vast(superl.) Waste; desert; desolate; lonely.
Developed by: Abdullah Ibne Alam, Dhaka, Bangladesh