IMPOSSIBLE

impossible

(adjective) not capable of occurring or being accomplished or dealt with; “an impossible dream”; “an impossible situation”

impossible, inconceivable, out of the question, unimaginable

(adjective) totally unlikely

impossible, unacceptable

(adjective) (used of persons or their behavior) not acceptable or reasonable; “impossible behavior”

impossible

(noun) something that cannot be done; “his assignment verged on the impossible”

Source: WordNet® 3.1

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Etymology

Adjective

impossible (comparative more impossible, superlative most impossible)

Not possible; not able to be done or happen.

(colloquial, of a person) Very difficult to deal with.

(math, dated) imaginary

Synonyms

• unpossible (rare)

Antonyms

• (not able to be done or happen): possible, inevitable

Noun

impossible (plural impossibles)

(obsolete) an impossibility

Source: Wiktionary

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Im*pos"si*ble, a. Etym: [F., fr. L. impossibilis; pref. im- not + possibilis possible. See Possible.]

Definition: 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 imagnary quantity. See Imaginary.

Syn.

– See Impracticable.

Im*pos"si*ble, n.

Definition: An impossibility. [Obs.] "Madam," quoth he, "this were an impossible!" Chaucer.

Source: Webster’s Unabridged Dictionary 1913 Edition

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