Extensive

a.	1.	Having wide extent; of much superficial extent; expanded; large; broad; wide; comprehensive; as, an extensive farm; an extensive lake; an extensive sphere of operations; extensive benevolence; extensive greatness.
	2.	Capable of being extended. Silver beaters choose the finest coin, as that which is most extensive under the hammer. - Boyle.

Adj.	1.	extensive - large in spatial extent or range; "an extensive Roman settlement in northwest England"; "extended farm lands" Synonyms: extended
	2.	extensive - having broad range or effect; "had extensive press coverage"; "far-reaching changes in the social structure"; "sweeping reforms" Synonyms: far-reaching, sweeping
	3.	extensive - large in number or quantity (especially of discourse); "she took copious notes"; "extensive press coverage"; "a subject of voluminous legislation" Synonyms: copious, voluminous
	4.	extensive - great in range or scope; "an extended vocabulary"; "surgeons with extended experience"; "extensive examples of picture writing"; "suffered extensive damage"; "a wide selection" Synonyms: extended, wide
	5.	extensive - of agriculture; increasing productivity by using large areas with minimal outlay and labor; "producing wheat under extensive conditions"; "agriculture of the extensive type" Antonyms: intensive - of agriculture; intended to increase productivity of a fixed area by expending more capital and labor; "intensive agriculture"; "intensive conditions"

Gargantuan, a mile long, all-embracing, ample, amplitudinous, astronomical, awesome, big, boundless, broad, bulky, capacious, catholic, colossal, commodious, comprehensive, considerable, copious, cosmic, cosmopolitan, deep, diffuse, dilatant, distensive, elastic, enormous, expansible, expansile, expansional, expansive, extended, extending, extensile, extensional, far-embracing, far-extending, far-flung, far-flying, far-going, far-ranging, far-reaching, fargoing, full, galactic, general, generous, gigantic, global, great, huge, immeasurable, immense, inclusive, indiscriminate, infinite, inflatable, inflationary, interminable, international, king-size, large, large-scale, lengthy, liberal, long, longish, longsome, mammoth, massive, massy, monster, monstrous, monumental, mountainous, national, no end of, outsize, overgrown, prodigious, roomy, scopic, sesquipedal, sesquipedalian, sizable, sizeable, spreading, stupendous, substantial, sweeping, tall, titanic, tremendous, universal, voluminous, weighty, wholesale, wide-extended, wide-extending, wide-ranging, wide-reaching, wide-stretching, widespread, without end, worldwide