Im-pŏs′si-ble1, a.
a. [Fr. & Pr. impossible, Sp. impossible, It. impossible, Lat. impossibilitas; prefix ĭm, for in, not, and possibilis, possible.] Not possible; incapable of being done; unattainable in the nature of things or by means at command; insuperably difficult under the circumstances; absurd or impracticable.
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.
Synonyms—See IMPRACTICABLE.