Webster's Revised Unabridged Dictionary · 1913

Impossibility

Impossibility , noun

[Latin impossibilitas: compare French impossibilité.]

1.
The quality of being impossible; impracticability.
They confound difficulty with impossibility. — South
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. [Rare] — Latimer
Collocations (1)
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.