Slow or difficult to manage, especially because of complexity:
Marked by bumps and jolts; rough:
Hard to handle or deal with as because of size, weight, or complexity; burdensome; unwieldy; clumsy
Covered with knots or knobs; gnarled.
Stupid or dull.
Not smooth or level:
(Bot.) Not uniform in shape, size, etc., as the petals of a flower
Free from worry, anxiety, trouble, or pain:
Hard to do or accomplish; arduous:
(Informal) Very friendly; intimate:
Find another word for lumpy. In this page you can discover 19 synonyms, antonyms, idiomatic expressions, and related words for lumpy, like: cumbrous, ponderous, bumpy, cumbersome, irregular, stringy, knotty, lumpish, easy, heavy and chunky.