noun
1. lack of physical or intellectual ability or qualifications (Freq. 1)
• Syn: ↑incompetency
• Ant: ↑competence
• Derivationally related forms: ↑incompetent (for: ↑incompetency), ↑incompetent
2. inability of a part or organ to function properly
• Hypernyms: ↑disease
• Hyponyms: ↑hypogonadism, ↑valvular incompetence
Useful english dictionary. 2012.