"dumpiest" in the adjective sense
resembling a garbage dump
2. chunky, dumpy, low-set, squat, squatty, stumpy
short and thick as e.g. having short legs and heavy musculature
"some people seem born to be square and chunky"
"a dumpy little dumpling of a woman"
"dachshunds are long lowset dogs with drooping ears"
"a little church with a squat tower"
"a squatty red smokestack"
"a stumpy ungainly figure"
3. dumpy, podgy, pudgy, tubby, roly-poly
short and plump
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License