ponderous
adjective
[ ˈpɒnd(ə)rəs ]
• slow and clumsy because of great weight.
• "a swarthy, ponderous giant of a man"
Similar:
clumsy,
slow,
heavy,
awkward,
lumbering,
slow-moving,
cumbersome,
heavy-footed,
ungainly,
graceless,
maladroit,
uncoordinated,
blundering,
like a bull in a china shop,
clodhopping,
clunky,
lubberly,
cumbrous,
Origin:
late Middle English: via French from Latin ponderosus, from pondus, ponder- ‘weight’.