Of extraordinary size and power:
behemoth, Brobdingnagian, Bunyanesque, colossal, elephantine, enormous, gargantuan, giant, gigantesque, gigantic, herculean, heroic, huge, immense, jumbo, mammoth, massive, massy, mastodonic, mighty, monster, monstrous, monumental, mountainous, prodigious, pythonic, stupendous, titanic, tremendous, vast. (Informal) walloping. (Slang) whopping. See bigLearn more about cyclopean