Synonyms and related words :
Gargantuan, amplitudinous, astronomical, awesome, boundless, bulky, colossal, cosmic, cosmogonal, cosmogonic, cosmologic, enormous, extensive, galactic, gigantic, huge, immeasurable, immense, infinite, king-size, large, mammoth, massive, massy, monster, monstrous, monumental, mountainous, outsize, overgrown, prodigious, sizable, spacious, stupendous, titanic, tremendous, universal, vast, voluminous, weighty,