1. to fall into partial ruin or decay through neglect or age
Usage: intransitive
2. to cause something to fall into disrepair or ruin
Usage: transitive

Examples

• The old barn has dilapidated over the years.
• Without proper maintenance, the building will dilapidate quickly.
• Weather and time dilapidated the ancient stone walls.
• The abandoned house continued to dilapidate in the harsh climate.
• Neglect had dilapidated what was once a beautiful mansion.
• The roof began to dilapidate after the severe storm damage.