Synonyms of enormous

1 Syllable

huge, vast, great, big, giant, blimp, gross

2 Syllables

bigger, huger, moby, monstrous, hugest, jumbo, mondo, greatest, massy, mammoth, bulky, bulkier, fluctuant, hulky, whaling, vastest, flagrant, massiest, biggest, bulkiest, spacious, vaster, spread-out, macro, hulking, massier, whaler, whopping, buller, zillion

3 Syllables

gigantic, prodigious, stupendous, colossal, overmuch, pythonic, ginormous, sizeable, uncrowded, terrific, humongous, gargantuan, stretched-out, titanic, immense, massive, tremendous, plethoric, mountainous, humungous, cyclopean, walloping, leviathan, unfixed

4 Syllables

astronomic, behemothic, monolithic, excessive, exorbitant, uncountable, larger-than-life, monumental, super-duper, bunyanesque, gigantesque, mastodonic, large-scale, all-embracing, infinite

5 Syllables

elephantine, recrementitious, supertemporal, super-colossal, immoderate, incomputable, unreckonable, overabundant, incalculable, astronomical