adjective. Incapable of having existence or of occurring.

adjective. Not capable of being accomplished.

adjective. Unacceptable; intolerable.

adjective. Extremely 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.

noun. An impossibility.

adjective. 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.

adjective. an imaginary quantity. See Imaginary.

noun. An impossibility.

adjective. Not possible, not able to be done.

adjective. Very difficult to deal with.

noun. an impossibility

noun. (with definite article) that which seems impossible

noun. something that cannot be done

adjective. not capable of occurring or being accomplished or dealt with

adjective. used of persons or their behavior

adjective. totally unlikely