1. breaking apart into small pieces or fragments; falling to pieces
2. losing cohesion or unity; ceasing to function as a whole

1. in the process of breaking apart or losing structural integrity

Examples

• The old building is disintegrating due to years of neglect and weather damage.
• The team's performance began disintegrating after the coach left.
• The asteroid is disintegrating as it enters Earth's atmosphere.
• Their friendship was disintegrating because of constant disagreements.
• The disintegrating concrete on the bridge poses a safety hazard.
• The empire started disintegrating when its provinces declared independence.