This refers to an instance where something did not succeed or a goal was not achieved. It can be used in various contexts, including personal endeavors, projects, or tasks.

This denotes an error in judgment, action, or decision. It can occur in various situations, such as making a poor choice or misunderstanding something.

This indicates a serious or embarrassing mistake, often resulting from carelessness or confusion. It's typically used in situations where the error has a significant impact.