Impossibility /(?)/

Im·pos·si·bil·i·ty

Impossibility

n.

pl. Impossibilities

  1. The quality of being impossible; impracticability.
    They confound difficulty with impossibility.
  2. An impossible thing; that which is not possible; that which can not be thought, done, or endured.
    Impossibilities! O, no, there's none.
    — Cowley.
  3. Inability; helplessness. [R.]

Phrases & Compounds
Logical impossibility
a condition or statement involving contradiction or absurdity; as, that a thing can be and not be at the same time. See Principle of Contradiction, under Contradiction.