Synonyms of hefty

1 Syllable

strong, fat, big, ox

2 Syllables

fleshier, bigger, hardier, pudgy, big-deal, awkward, cumbrous, portly, two-ton, husky, chubbier, fleshy, heaviest, biggish, sturdy, bulky, bulkier, fattest, chubby, beefy, hulky, rocker, chubbiest, solid, dragger, tubby, clunker, biggest, bulkiest, fatter, weightier, weighty, thumping, brawnier, burlier, heavier, hulking, robust, heavy, pudgier, large, strapping, stalwart, major, brawny, burly, sarcous, oxer, goodly, sturdier, largish, goodliest, well-built, hardiest, muscled, ropy, podgy, ample, hardy, rotund, buller

3 Syllables

robustious, robustuous, unwieldy, vigorous, powerful, colossal, substantial, heavyweight, potbellied, thick-bodied, overfed, muscular, overweight, corpulent, massive, tremendous, butterball, well-padded, embonpoint, sizable, galumphing, ponderous, forceful

4 Syllables

tiresome, oppressive, roly-poly, jelly-belly, whalelike, overstuffed, depressive, boresome, extensive, cumbersome, large-scale, decent-sized, jellybelly

5 Syllables

superincumbent, considerable, enervative, unexclusive