Synonyms and related words :
Atlantean, Brobdingnagian, Cyclopean, Gargantuan, Herculean, Homeric, abysmal, astronomic, colossal, cyclopean, dinosaur, elephant, elephantine, enormous, epic, giant, giantlike, gigantic, heroic, hippo, hippopotamus, huge, hulk, humongous, immense, infinite, leviathan, mammoth, mastodon, mighty, monster, monstrous, monumental, mountainous, oversized, prodigious, profound, stupendous, thumper, titanic, towering, tremendous, vast, whale, whopper