\Im*pos`si*bil"i*ty\, n.; pl. {Impossibilities}.
[L. impossibilitas: cf. F. impossibilit['e].]
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}.