ponderous

adj 1: slow and laborious because of weight; "the heavy tread of

tired troops"; "moved with a lumbering sag-bellied

trot"; "ponderous prehistoric beasts"; "a ponderous

yawn" [syn: {heavy}, {lumbering}]

2: having great mass and weight and unwieldiness; "a ponderous

stone"; "a ponderous burden"; "ponderous weapons"

3: labored and dull; "a ponderous speech"