[countable, uncountable] harm done to a person’s or an animal’s body, for example in an accident serious injury/injuries minor injuries to sustain injuries/an injury to escape injury The passengers escaped with only minor injuries. injury (to somebody/something) injury to the head a head injury Two players are out of the team because of injury. There were no injuries in the crash (= no people injured). No damage or injuries were reported. (British English, informal) Don't do that. You'll do yourself an injury (= hurt yourself).