gigantesque

unusually large a gigantesque poster of the rock star covered most of the wall Synonyms astronomical (also astronomic), Brobdingnagian, bumper, colossal, cosmic (also cosmical), cyclopean, elephantine, enormous, galactic, gargantuan, giant, huge, gigantic, grand, herculean, heroic (also heroical), Himalayan, humongous (also humungous), immense, jumbo, king-size (or king-sized), leviathan, mammoth, massive, mega, mighty, monster, monstrous, monumental, mountainous, oceanic, pharaonic, planetary, prodigious, super, super-duper, supersize, supersized, titanic, tremendous, vast, vasty, walloping, whacking, whoppingRelated Words big, bulky, considerable, extensive, good, goodly, great, gross, handsome, hefty, hulking, largish, major, outsize (also outsized), overgrown, oversize (or oversized), sizable (or sizeable), substantial, tidy, voluminous; august, formidable, grandiose, imposing, lofty, majestic; cavernous, monolithic, overwhelming, staggering, stupendous, towering; boundless, immeasurable, infiniteNear Antonyms little, mini, petite, pint-size (or pint-sized), puny, small, smallish, undersized (also undersize); dinky, dwarfish, half-pintAntonyms bantam, bitty, diminutive, infinitesimal, Lilliputian, little bitty, micro, microminiature, microscopic (also microscopical), midget, miniature, minuscule, minute, pocket, pygmy, teensy, teensy-weensy, teeny, teeny-weeny, tiny, wee