incompetency
nounIncompetence.
nounThe character or condition of being incompetent; lack of competence; inability, whether physical, moral, or intellectual; disqualification; incapacity; inadequacy.
nounIn law, lack of qualification for the performance of a legal act, or to serve a legal purpose, as incapacity for acting in court as judge, juror, or witness, from personal interest, lack of jurisdiction, or other special or legal unfitness.
nounThe condition of being
lack of physical or intellectual ability or qualifications