The term "irreparable harm" refers to damage that cannot be undone or repaired. It is a legal concept often used in court cases, particularly those involving injunctions and restraining orders. The idea behind this phrase is that if someone has already suffered significant harm that cannot be reversed, it is important to prevent further harm from occurring. In the context of lawsuits or disputes, irreparable harm can refer to a wide range of harms, including physical injury, damage to reputation, loss of business opportunities, and other types of damage that are difficult or impossible to repair. The concept of irreparable harm is often used by courts as a basis for granting injunctions or restraining orders in cases where there is an imminent threat of further harm.