Definition of ponderous adjective from the Oxford Advanced American Dictionary

     

    ponderous

     adjective
    adjective
    NAmE//ˈpɑndərəs//
     
    (formal)
     
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  1. 1(disapproving) (of speech and writing) too slow and careful; serious and boring synonym tedious He spoke in a slow ponderous voice.
  2. 2 moving slowly and heavily; able to move only slowly synonym labored She watched the cow's ponderous progress.
ponderously
 
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adverb
ponderousness
 
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noun [uncountable]
See the Oxford Advanced Learner's Dictionary entry: ponderous