Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.
1. inability to function properly.
2. the legal status of a person determined by the court to be unable to manage his own affairs.
aortic incompetence aortic insufficiency.
mitral incompetence mitral insufficiency.
pulmonary incompetence pulmonary insufficiency.
tricuspid incompetence tricuspid insufficiency.
valvular incompetence valvular insufficiency.
pul·mo·nar·y in·com·pe·tence, pulmonic incompetence
defective closure of the pulmonic valve permitting regurgitation into the right ventricle during diastole.