Synonyms of cumbrous

2 Syllables

bulkier, heavy, hefty, clunker, bulkiest, awkward, two-ton, hulky, heaviest, clumsy, weightier, weighty, heavier, bulky

3 Syllables

unwieldy, ungainly, galumphing, ponderous, massive, heavyweight

4 Syllables

cumbersome

5 Syllables

unmanageable