noun. Incompetence.

noun. The character or condition of being incompetent; lack of competence; inability, whether physical, moral, or intellectual; disqualification; incapacity; inadequacy.

noun. In 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.

noun. The condition of being incompetent

noun. lack of physical or intellectual ability or qualifications

"No, I think Mr. Meyerson gets it right; incompetency is a description but not an explanation, and it is only compounded when people who should know better excuse it for partisan gain."

inability  unfitness  

clumsiness  dilatoriness  feebleness  foolhardiness  heedlessness