The term incompetent means incapable. It is not being qualified or suited for something or somebody. Incompetent is a word used to describe the lack of skill or aptitude for a purpose. It is act of not doing a good job or bungling it. Inept, ineffectual, inadequate, unskilled etc are the synonyms of this word. It is an adjective.
It is also a relative term. A man who is incompetent of doing something might be very good at something else. It always doesn't mean inefficiency or incapability. We say that a good man is incompetent to do anything that would hurt or harm others. Here being incompetent means being good. On the other hand it is also said that this man is incompetent of giving a good speech. Thus the meaning changes as per the context.
In legal language this term indicates the incapability of a man in fulfilling or completing a contract due to various reasons. People who are mentally ill and those are minors are examples of incompetent people as per the legal language.
It is also a relative term. A man who is incompetent of doing something might be very good at something else. It always doesn't mean inefficiency or incapability. We say that a good man is incompetent to do anything that would hurt or harm others. Here being incompetent means being good. On the other hand it is also said that this man is incompetent of giving a good speech. Thus the meaning changes as per the context.
In legal language this term indicates the incapability of a man in fulfilling or completing a contract due to various reasons. People who are mentally ill and those are minors are examples of incompetent people as per the legal language.