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 Question Thank you! Oops! Related Contents Snapshots Your life is marked by images. Prepare for the unexpected, so you can keep those pictures going. Did You Know This Fact About Night Safety? Follow this tip to increase your children's visibility at night. Long-Term-Care Protection Strategies The chances of needing long-term care, its cost, and strategies for covering that cost.