Abstract
When, in spite of our good intentions, we fail to meet our obligations to others, it is important that we have the correct theoretical description of what has happened so that mutual understanding and the right sort of social repair can occur. Consider an agent who promises to help pick a friend up from the airport. She takes the freeway, forgetting that it is under construction. After a long wait, the friend takes an expensive taxi ride home. Most theorists and non-theorists react to such cases by either judging the agent's action as a violation of her obligation to help or as having satisfied the only obligation she really had, namely to try to help. However, as I show, there are serious difficulties that arise from categorizing this agent's action as satisfying or violating her obligation – difficulties that are avoided if we instead add “mere moral failures” to the basic categories for moral evaluation. An agent merely fails when she neither satisfies nor violates her obligation. She is responsible fo..