Synonyms of heaviest

1 Syllable

fat, huge, gross, stout, built, big

2 Syllables

copious, pregnant, large, hefty, chunky, weighted, gravid, awkward, loaded, cumbrous, laden, portly, two-ton, zaftig, beefy, fleshy, weighty, ample, bulky

3 Syllables

lumbering, unwieldy, lead-footed, parturient, top-heavy, expectant, porcine, abundant, oppressed, ponderous, enceinte, substantial, overweight, corpulent, obese, massive

4 Syllables

excessive, burdensome, cumbersome

5 Syllables

unmanageable, elephantine, considerable