1. affected by or having experienced a landslide; damaged or altered by the collapse of earth or rock on a slope
Usage: typically used to describe terrain, hillsides, or regions impacted by landslide events

Examples

• The landslidden hillside required extensive geological surveys before reconstruction could begin.
• Heavy rains left the mountain region landslidden and unstable.
• Engineers assessed the landslidden terrain to determine safety for nearby residents.
• The landslidden slope showed visible scars from the recent geological event.
• Local authorities cordoned off the landslidden area to prevent further damage.