impossible
adjectiveIncapable of having existence or of occurring.
adjectiveNot capable of being accomplished.
adjectiveUnacceptable; intolerable.
adjectiveExtremely difficult to deal with or tolerate.
Not possible; non-existent or false by necessity.
In law, in a stricter sense, prevented only by the act of God or a public enemy.
Excessively odd; not to have been imagined; such as would not have been thought possible: as, she is a most impossible person; he wears an impossible hat.
nounAn impossibility.
adjectiveNot 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.
adjectivean imaginary quantity. See