plumbeous

/ˈplʌmbiəs/
adjective
  1. Of the color of lead; dull gray or bluish-gray.
    • The storm clouds were plumbeous, threatening rain.
    • The bird's feathers had a plumbeous sheen in the dim light.
    • He painted the old fence a plumbeous shade to match the iron gate.
  2. Heavy, dull, or oppressive in quality or effect.
    • The lecture was so plumbeous that half the class fell asleep.
    • She felt a plumbeous weight of responsibility on her shoulders.
    • A plumbeous silence fell over the room after the announcement.
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