1. Of, relating to, or being a motor vehicle insurance plan under which someone involved in an accident is compensated usually up to a stipulated limit for actual losses (as for property damage, medical bills, and lost wages) by that person's own insurance company regardless of who is responsible for the accident
2. Of, relating to, or being a divorce law under which neither party is held responsible for the breakup of the marriage
3. Characterized by the absence of a prevailing sense of individual responsibility (as for behavior) fault society