D defs.my
Entry 2 senses Webster, 1913

Ineptitude

/ĭnˌ-ĕp'-tĭt-o͞odˌ/ · In·ept·i·tude · IPA /ɪˈnɛp.tɪ.t(j)ud/
01 n. The quality of being inept; unfitness; inaptitude; unsuitableness.
  1. 1.
    The quality of being inept; unfitness; inaptitude; unsuitableness.
    “That ineptitude for society, which is frequently the fault of us scholars.” — Tatler.
  2. 2.
    Absurdity; nonsense; foolishness.