The term "imminent attack" refers to an immediate and impending threat or danger of a violent act, such as an assault, bombing, or other aggressive action. It suggests that there is an imminent risk of harm or injury, with the potential for violence occurring at any moment. The phrase often used in legal contexts when discussing self-defense or justifiable use of force to protect oneself or others from a perceived threat. In general usage, it can also refer to any situation where there is an immediate and apparent danger that requires urgent action to prevent harm.