Here are definitions. injury (noun) - physical harm or damage to someone's body caused by an accident or an attack a head/back/knee injury Several train passengers received/sustained serious injuries in the crash. Injuries to the spine are common amongst these workers. They were lucky to escape (without) injury. wound (noun) - a damaged area of the body, such as a cut or hole in the skin or flesh made by a weapon a gunshot wound a chest/leg wound a flesh (= not deep) wound He died from multiple stab wounds to the neck and upper body. hurt (noun) - emotional pain The hurt after a relationship breaks up can be awful. Her brave smile concealed a deep hurt. You can use 'injury' and 'hurt' as verbs as well.