pesante e goffo

listen to the pronunciation of pesante e goffo
Italian - English
lumpish
Like lumps, composed of unshaped or mismatched pieces
Like a lump, cloddish, dull, slow-witted
Shaped like a lump, ill defined in shape

Thus, also, you pass from the lumpish grub in the earth to the airy and fluttering butterfly. Henry David Thoreau Walden (section 17) Spring.

{a} heavy, large, dull, sour
heavy and awkward
mentally sluggish
Like a lump; inert; gross; heavy; dull; spiritless
{s} stupid, clumsy