Im‐pos″si‐ble (?), a. [F., fr. L. impossibilis; pref. im- not + possibilis possible. See Possible.] 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.
Syn. — See Impracticable.