List of extensive synonyms and extensive related words.
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, spacious, spreading, stupendous, substantial, sweeping, tall, titanic, tremendous, universal, vast, voluminous, weighty, wholesale, wide, wide-extended, wide-extending, wide-ranging, wide-reaching, wide-stretching, widespread, without end, worldwide