Define Failure.

Failure is a state or condition of not meeting a desirable or intended objective. It may be viewed as the opposite of success. The criteria for failure are heavily dependent on context of use, and may be relative to a particular observer or belief system. A situation can only be considered a failure if there is a specific goal or objective to achieve, and the goal is not achieved due to either a lack of effort or incorrect actions. Failure can also be a result of not trying, due to fear of failure or other reasons. It's important to note that failure is often a part of the process towards success, as it can provide valuable lessons and insights.