INCOMPETENCE
incompetence, incompetency
(noun) lack of physical or intellectual ability or qualifications
incompetence
(noun) inability of a part or organ to function properly
Source: WordNet® 3.1
Etymology
Noun
incompetence (usually uncountable, plural incompetences)
Inability to perform; lack of competence; ineptitude.
Source: Wiktionary
In*com"pe*tence, In*com"pe*tency, n. Etym: [Cf. F. incompétence.]
1. The quality or state of being incompetent; want of physical,
intellectual, or moral ability; insufficiency; inadequacy; as, the
incompetency of a child hard labor, or of an idiot for intellectual
efforts. "Some inherent incompetency." Gladstone.
2. (Law)
Definition: Want of competency or legal fitness; incapacity;
disqualification, as of a person to be heard as a witness, or to act
as a juror, or of a judge to try a cause.
Syn.
– Inability; insufficiency; inadequacy; disqualification;
incapability; unfitness.
Source: Webster’s Unabridged Dictionary 1913 Edition