vast

I

(New American Roget's College Thesaurus)

adj. huge, immense; infinite, boundless, immeasurable; tremendous, enormous. See size, space, breadth.

II

(Roget's IV) modif.

1. [Large]

Syn. huge, enormous, immense; see broad 1 , large 1 .

2. [Extensive]

Syn. broad, far-flung, wide, spacious, expansive, spread-out, ample, far-reaching, widespread, comprehensive, detailed, all-inclusive, astronomical, prolonged, stretched out, expanded.

Ant. narrow*, limited, confined.

3. [Infinite]

Syn. boundless, limitless, interminable; see endless 1 , eternal 2 .

III

(Roget's 3 Superthesaurus) a.

huge, immense, enormous, extensive, boundless, colossal, astronomical, gigantic, titanic, massive, infinite, far-reaching, immeasurable, stupendous.

ANT.: tiny, limited, small, microscopic

IV

(Roget's Thesaurus II) adjective Of extraordinary size and power: behemoth, Brobdingnagian, Bunyanesque, colossal, cyclo-pean, elephantine, enormous, gargantuan, giant, gigantesque, gigantic, herculean, heroic, huge, immense, jumbo, mammoth, massive, massy, mastodonic, mighty, monster, monstrous, monumental, mountainous, prodigious, pythonic, stupendous, titanic, tremendous. Informal: walloping. Slang: whopping. See BIG.