Definition. The insured listed in the policy, whether a person or entity. People not named in the policy may still be protected in certain circumstances. For example, if they are passengers in an insured car and are harmed in an accident, certain kinds of policies may cover them.efinition. The insured listed in the policy, whether a person or entity. People not named in the policy may still be protected in certain circumstances. For example, if they are passengers in an insured car and are harmed in an accident, certain kinds of policies may cover them.