Synonyms of bulky

1 Syllable
high, long, fat, great, gross, stout, big
2 Syllables
heavy, bigger, huger, grosser, large, hefty, clunker, fattest, big-deal, grossed, biggest, awkward, cumbrous, stoutest, fatter, two-ton, brawny, zaftig, beefy, burly, klutzy, beefier, heaviest, hugest, sturdier, clumsy, weighty, clumsier, brawnier, burlier, heavier, sturdy, grossest, hulking, tubby, stouter, greatest, mammoth, buller
3 Syllables
overfed, potbellied, unwieldy, top-heavy, unhandy, well-padded, embonpoint, enormous, ham-handed, ponderous, ill-shaped, galumphing, immense, colossal, substantial, overweight, corpulent, massive, heavyweight
4 Syllables
jelly-belly, whalelike, imbalanced, cumbersome, overstuffed, large-scale, voluminous, jellybelly, monolithic
5 Syllables
unmanageable