Pocket Thesaurus
Antonyms of hefty
heavy, tremendous, fat, large, sizable, substantial, massive, robust, colossal, weighty, ample, awkward, beefy, brawny, burly, cumbersome, extensive, forceful, hulking, husky, major, muscular, ponderous, powerful, strapping, strong, sturdy, unwieldy, vigorous, large-scale, thumping
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