1 synonym for Massive

large, huge, enormous, gigantic, massive, immense, vast, colossal, substantial, sizable, grand, tremendous, hefty, bulky, mammoth, monumental, prodigious, considerable, extensive, ample, humongous, titanic, voluminous, expansive, giant, king-sized, mega, mountainous, stupendous, towering, elephantine, gargantuan, leviathan, behemoth, hulking, jumbo, outsize, oversize, walloping, whopping, capacious, commodious, full-scale, full-size, king-size, large-scale [x]