ponderous

adjectives

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"

heavy, lumbering, ponderous

is derived from

having great mass and weight and unwieldiness

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

ponderous

is derived from

is derived from

is similar to

of comparatively great physical weight or density

"a heavy load"; "lead is a heavy metal"; "heavy mahogany furniture"

labored and dull

"a ponderous speech"

ponderous

is derived from

is similar to

arousing no interest or attention or curiosity or excitement

"a very uninteresting account of her trip"