ponderous
1. [ adjective ] slow and laborious because of weight
Synonyms: lumbering heavy
Examples:

"the heavy tread of tired troops" "moved with a lumbering sag-bellied trot" "ponderous prehistoric beasts" "a ponderous yawn"

Related terms: heavy-footed
2. [ adjective ] having great mass and weight and unwieldiness
Examples:

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

Related terms: heavy
3. [ adjective ] labored and dull
Examples:

"a ponderous speech"

Related terms: uninteresting
Similar spelling:   ponderously
  ponder
  ponderosa
  pounder
  Pounders
  ponderosity
  ponderer
  Pomaderris
  Poynter
  pointer
  pondering
  Penders
  ponderable