ponderosity

/ˌpɑndəˈrɑsəti/
noun
  1. The quality of being very heavy, massive, or weighty.
    • The ponderosity of the ancient stone blocks made them difficult to move.
    • The ponderosity of the furniture gave the room a solid, grounded feel.
    • Engineers had to account for the ponderosity of the bridge's steel supports.
  2. The quality of being slow, dull, or overly serious in style or manner.
    • Critics complained about the ponderosity of the novel's prose.
    • Despite its ponderosity, the speech contained some valuable insights.
    • The professor's ponderosity made his lectures hard to follow.