Impossible

a.	1.	Not possible; incapable of being done, of existing, etc.; unattainable in the nature of things, or by means at command; insuperably difficult under the circumstances; absurd or impracticable; not feasible. With men this is impossible; but with God all things are possible. - Matt. xix. 26. Without faith it is impossible to please him. - Heb. xi. 6. Impossible quantity (Math.) an imaginary quantity. See Imaginary.
n.	1.	An impossibility; as, he tried to do the impossible. "Madam," quoth he, "this were an impossible!" - Chaucer.

Noun	1.	impossible - something that cannot be done; "his assignment verged on the impossible"
Adj.	1.	impossible - not capable of occurring or being accomplished or dealt with; "an impossible dream"; "an impossible situation" Antonyms: possible - capable of happening or existing; "a breakthrough may be possible next year"; "anything is possible"; "warned of possible consequences"
	2.	impossible - totally unlikely Synonyms: inconceivable, out of the question, unimaginable
	3.	impossible - used of persons or their behavior; "impossible behavior"; "insufferable insolence" Synonyms: insufferable, unsufferable, unacceptable

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