Webster’s Revised Unabridged Dictionary · 1913
Impossibility
Im·pos′si·bil′i·ty (ĭm·pŏs′sĭ·bĭl′ĭ·ty̆), n.; pl. Impossibilities (#). [L. impossibilitas: cf. F. impossibilité.] 1. The quality of being impossible; impracticability.
They confound difficulty with impossibility. South.
2. An impossible thing; that which can not be thought, done, or endured.
Impossibilities! O, no, there's none. Cowley.
3. Inability; helplessness. [R.] Latimer.
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.