IMPOSSIBLY

impossibly

(adverb) to a degree impossible of achievement; “long thought to be an impossibly difficult operation”; “impossibly far from sources of supply”

Source: WordNet® 3.1

Etymology

Adverb

impossibly (comparative more impossibly, superlative most impossibly)

Not possibly; in an impossible manner.

To the point of impossibility.

Contrary to what had been thought possible.

Antonyms

• possibly

Source: Wiktionary

Im*pos"si*bly, adv.

Definition: Not possibly. Sir. T. North.

IMPOSSIBLE

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