Synonyms and related words :
Atlantean, Brobdingnagian, Cyclopean, Gargantuan, Herculean, Homeric, abysmal, alpen, alpestrine, alpigene, alpine, amplitudinous, astronomic, astronomical, awesome, boundless, bulky, colossal, cosmic, craggy, elephantine, enormous, epic, extensive, formidable, galactic, giant, giantlike, gigantic, heroic, high, hilly, huge, immeasurable, immense, infinite, jumbo, king-size, knobby, large, mammoth, massive, massy, mighty, monster, monstrous, monticuline, monumental, mountained, outsize, overgrown, prodigious, profound, rolling, sizable, spacious, staggering, steep, stupendous, subalpine, titanic, towering, tremendous, vast, voluminous, weighty