Learner's definition of INJURY
: harm or damage : an act or event that causes someone or something to no longer be fully healthy or in good condition
Hikers need to take sensible precautions to prevent injury.
She's concerned about the risk of injury to her reputation.
The team has been weakened by illness and injury.
Careless use of these tools can cause serious bodily injury.
She survived the accident without injury.
an athlete who is injury-prone [=an athlete who is frequently injured]
She fell and suffered an injury to her arm.
His athletic career has been slowed by injuries.
do yourself an injurychiefly British
: to hurt yourself : to become injured because of your own actions