Synonyms and related words :
Atlantean, Brobdingnagian, Cyclopean, Gargantuan, Herculean, Homeric, abysmal, amazing, amplitudinous, appalling, astounding, astronomic, astronomical, awe-inspiring, awesome, awful, boundless, bulky, colossal, cosmic, cracking, dire, direful, divine, dread, dreaded, dreadful, elephantine, enormous, epic, exquisite, extensive, fantastic, fell, flabbergasting, formidable, frightful, galactic, ghastly, ghoulish, giant, giantlike, gigantic, gilt-edged, glorious, golden, grim, grisly, gruesome, heavenly, heroic, hideous, horrendous, horrible, horrid, horrific, horrifying, huge, immeasurable, immense, infinite, jumbo, king-size, large, macabre, magnificent, mammoth, marvelous, massive, massy, mighty, monster, monstrous, monumental, morbid, mortal, mountainous, outsize, overgrown, prodigious, profound, redoubtable, schrecklich, sensational, shocking, sizable, spacious, splendid, splendiferous, sterling, stupendous, super, superb, supereminent, superexcellent, superfine, terrible, terrific, titanic, towering, vast, voluminous, weighty, wonderful