Synonyms and related words :
Gargantuan, ample, amplitudinous, astronomical, awesome, big, billowing, boundless, broad, bulky, capacious, cavernous, colossal, commodious, comprehensive, copious, cosmic, deep, enormous, expansive, extended, extending, extensive, far-reaching, galactic, generous, gigantic, great, huge, immeasurable, immense, infinite, king-size, large, legion, loose, mammoth, massive, massy, monster, monstrous, monumental, mountainous, multifarious, multitudinal, multitudinous, numerous, outsize, overgrown, oversized, populous, prodigious, roomy, several, sizable, spacious, spreading, stupendous, substantial, sundry, titanic, tremendous, various, vast, weighty, wide, widespread