1. the gradual sinking or settling of an area of land
2. the process of becoming less intense or widespread
Usage: formal

Examples

• The old mining area experienced significant land subsidence.
• Ground subsidence caused cracks in the building’s foundation.
• The city installed monitoring equipment to track subsidence rates.
• Heavy groundwater pumping led to gradual subsidence of the valley floor.
• After the flood, there was a gradual subsidence of the water levels.
• The subsidence of public anger allowed for more rational discussion.