Hard to handle or deal with as because of size, weight, or complexity; burdensome; unwieldy; clumsy
Not easily borne; oppressive:
Stupid or dull.
Like a lump; heavy; clumsy
Difficult to maneuver or control because of great bulk or weight:
Find another word for cumbrous. In this page you can discover 6 synonyms, antonyms, idiomatic expressions, and related words for cumbrous, like: cumbersome, heavy, lumpish, lumpy, ponderous and easy.