This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Very great in size, number, amount, or quantity.

adj. Very great in area or extent; immense.

adj. Very great in degree or intensity. See Synonyms at enormous.

n. Archaic An immense space.

adj. Very large or wide (literally or figuratively).

adj. Very great in size, amount, degree, intensity, or especially extent.

n. A vast space.

adj. Waste; desert; desolate; lonely.

adj. Of great extent; very spacious or large; also, huge in bulk; immense; enormous.

adj. Very great in numbers, quantity, or amount.

adj. Very great in force; mighty.

adj. Very great in importance.

n. A waste region; boundless space; immensity.

Wide and vacant or unoccupied; waste; desolate; lonely.

Being of great extent or size; very spacious or large; enormous; massive; immense.

Very great in quantity, number, or amount.

Very great as to degree, intensity, difficulty of accomplishment, importance, etc.; mighty: used also in exaggerated colloquial speech, being much affected in the eighteenth century.

Synonyms Spacious.

3 and Colossal, gigantic, prodigious, tremendous, stupendous.

n. A boundless waste or space; immensity.

n. A great deal; a large quantity or number.

n. The darkness of night, in which the prospect is not bounded in by distinct objects: only in the following passage.

adj. unusually great in size or amount or degree or especially extent or scope

"Some of the phrases they gave me, such as the phrase "vast majority" used twice were pretty vague, and because I hadn't seen the actual language, I was reporting only what I was told, but it sounded like we were headed toward fairly tight release language on the settlement."

big    large   

narrow   

enormous    spacious    immense   

vastly    ultravast    vastness   

huge    mighty    enormous    immense    waste    desert    desolate    lonely    immensity    wide   

Nast    aghast    amassed    asked    ast    bast    blast    cast    caste    classed   

immense    entire    broad    mighty