- A state in which a person is incapable of managing their personal affairs due to mental or physical incapacity. It is formally recognized by a court after a thorough investigation and hearing involving the person
- After a serious car accident, Jake's level of incompetency was so high, he could not manage his own financial matters.
- The court declared grandfather's incompetency, after assessing his deteriorating mental state.
- A mental health evaluation revealed Mary's incompetency, and she was relieved of managing her affairs.