IMPOSSIBILITY
impossibility, impossible action
(noun) an alternative that is not available
impossibility, impossibleness
(noun) incapability of existing or occurring
Source: WordNet® 3.1
Etymology
Noun
impossibility (countable and uncountable, plural impossibilities)
Something that is impossible.
(uncountable) The quality of being impossible.
(obsolete) The state of being unable to do something.
Synonyms: inability, incapability, helplessness
Synonyms
• (something that is impossible): See also impossibility
Antonyms
• (something that is impossible): certainty, inevitability, possibility; See also possibility
Source: Wiktionary
Im*pos`si*bil"i*ty, n.; pl. Impossibilities. Etym: [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.
Source: Webster’s Unabridged Dictionary 1913 Edition