ineptitude

Noun

WordNet 3.0

unskillfulness resulting from a lack of trainingSynonyms: awkwardness clumsiness ineptness maladroitness slowness
having no qualities that would render it valuable or useful“the drill sergeant's intent was to convince all the recruits of their worthlessness”Synonyms: worthlessness

Ineptitude \In*ept"i*tude\, n. [L. ineptitudo.] [1913 Webster]

1.The quality of being inept; unfitness; inaptitude; unsuitableness. [1913 Webster]

That ineptitude for society, which is frequently the fault of us scholars.— Tatler.[1913 Webster]

2.Absurdity; nonsense; foolishness. [1913 Webster]