Suffering from an injury to the brain.

(computing, slang, derogatory) Poorly designed; obviously wrong.

Used other than figuratively or idiomatically: see damaged, goods. / (figuratively) A person who has an unresolved conflict of emotions after a traumatic event.

Damaged during battle.

(nautical) A department or group, as aboard a naval vessel, responsible for taking action to control damage caused by fire, collision, etc.

(law) The doing of damage; in particular, the doing by animals such as cattle of damage by trespassing.

Used other than figuratively or idiomatically: see brain, damage. / (figuratively) stupidity

(video games) Damage caused by a nearby explosion, affecting creatures within a certain radius.

The harm has occurred, and nothing can be done to prevent it now; it might have been preventable, but cannot be prevented retroactively.

(military, euphemistic) Damage to civilian property or civilian casualties that are the unintended result of military operations. / Harm to innocent people that results from policy decisions.