Synonyms and Antonyms of mega
- I will never understand why people build those mega houses on tiny lots.
astronomical (also astronomic), bumper, colossal, cosmic (also cosmical), elephantine, enormous, galactic, gargantuan, giant, gigantic, grand, herculean, heroic (also heroical), huge, humongous (also humungous), immense, jumbo, king-size (or king-sized), leviathan, mammoth, massive, mighty, monster, monstrous, monumental, mountainous, oceanic, planetary, prodigious, super, supersize, supersized, titanic, tremendous, vast, vasty, walloping, whacking, whopping
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
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