What is a Loss? Loss[los]noun1.A Loss is an injury or damage that is covered by an insurance Policy. Losses can be partial, like when wind damages part of a roof, or total, as when an automobile is “totaled” in a collision. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Accidents Accidents happen to everyone. We’re here to help. Dog Bites Neighbor. Now What? Even dogs have bad days. So, what happens when your dog bites a neighbor or passing pedestrian? Long-Term-Care Protection Strategies The chances of needing long-term care, its cost, and strategies for covering that cost.