See lumpish in Webster's New World Roget's A-Z Thesaurus II
adjective
Lacking dexterity and grace in physical movement:
awkward, clumsy, gawky, graceless, inept, maladroit, ungainly, ungraceful. (Slang) klutzy. Idiom: all thumbs. See abilityUnwieldy or clumsy, especially due to excess weight:
cumbersome, cumbrous, heavy, lumpy, ponderous. See easy, heavy
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