Synonyms and related words :
Atlantean, Brobdingnagian, Cyclopean, Gargantuan, Herculean, Homeric, abysmal, amazing, amplitudinous, astonishing, astounding, astronomic, astronomical, awesome, beguiling, bewildering, boundless, bulky, colossal, cosmic, cracking, elephantine, enigmatic, enormous, epic, exceptional, extensive, extraordinary, fabulous, fantastic, fascinating, galactic, giant, giantlike, gigantic, heroic, huge, immeasurable, immense, incomprehensible, inconceivable, incredible, indescribable, ineffable, infinite, jumbo, king-size, large, legendary, mammoth, marvelous, massive, massy, mighty, miraculous, monster, monstrous, monumental, mortal, mountainous, mythical, noteworthy, outlandish, outsize, overgrown, passing strange, phenomenal, portentous, prodigious, profound, puzzling, rare, remarkable, sensational, sizable, spacious, spectacular, staggering, strange, striking, stupefying, titanic, towering, tremendous, unexampled, unheard-of, unimaginable, unique, unparalleled, unprecedented, unspeakable, vast, voluminous, weighty, wonderful, wondrous