Definition of ponderous adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈpɒndərəs//
    ; NAmE NAmE//ˈpɑːndərəs//
    (formal) Boredom
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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. See related entries: Boredom
  2. 2moving slowly and heavily; able to move only slowly synonym laboured She watched the cow's ponderous progress. See related entries: Boredom
  3. Word Originlate Middle English: via French from Latin ponderosus, from pondus, ponder- ‘weight’.
See the Oxford Advanced American Dictionary entry: ponderous