1) An inept act or remark 2) Awkwardness 3) Clumsiness 4) Firing reason 5) Ineptness 6) Maladroitness 7) Quality of being unskillful 8) Slowness 9) Unskillfulness Found on https://www.crosswordclues.com/clue/ineptitude
In·ept'i·tude noun [ Latin ineptitudo .] 1. The quality of being inept; unfitness; inaptitude; unsuitableness. « That ineptitude for society, which is frequently the fault of us scholars.» Tatler. 2. Absurdity; nonsense; foolishness. Found on http://www.encyclo.co.uk/webster/I/49