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? Address Thank you! Oops! Related Contents Forecast Life is as unpredictable as the weather. We’d love to help you prepare. When to Self-Insure Choosing to bear the financial burden of an adverse event is called self-insuring. Do you know what that entails? Long-Term-Care Protection Strategies The chances of needing long-term care, its cost, and strategies for covering that cost.