1. made heavy or weighted down with lead; containing or covered with lead
2. made dull, heavy, or sluggish; burdened or oppressed
Usage: figurative use

Examples

• The leadened weights sank quickly to the bottom of the pool.
• Her heart felt leadened with grief after hearing the sad news.
• The sky was leadened and gray, threatening rain all afternoon.
• His limbs grew leadened as exhaustion set in during the long hike.
• The leadened atmosphere in the room made conversation difficult.
• The old pipes were leadened and needed to be replaced for safety.