Part 63

Highest woods impenetrable To star or sunlight.

Milton.

2. (Physics) Having the property of preventing any other substance from occupying the same space at the same time.

3. Inaccessible, as to knowledge, reason, sympathy, etc.; unimpressible; not to be moved by arguments or motives; as, an impenetrable mind, or heart.

They will be credulous in all affairs of life, but impenetrable by a sermon of the gospel.

Jer. Taylor.

Im*pen"e*tra*ble*ness (?), n. The quality of being impenetrable; impenetrability.

Im*pen"e*tra*bly, adv. In an impenetrable manner or state; imperviously. "Impenetrably armed." Milton. "Impenetrably dull." Pope.

Im*pen"i*tence (?), n. [L. impenitentia: cf. F. impénitence.] The condition of being impenitent; failure or refusal to repent; hardness of heart.

He will advance from one degree of wickedness and impenitence to another.

Rogers.

Im*pen"i*ten*cy (?), n. Impenitence. Milton.

Im*pen"i*tent (?), a. [L. impaenitens; pref. im- not + paenitens penitens: cf. F. impénitent. See Penitent.] Not penitent; not repenting of sin; not contrite; of a hard heart. "They . . . died impenitent." Milton. "A careless and impenitent heart." Bp. Hall.

Im*pen"i*tent, n. One who is not penitent. [R.]

Im*pen"i*tent*ly, adv. Without repentance.

Im*pen"nate (?), a. (Zoöl.) Characterized by short wings covered with feathers resembling scales, as the penguins. -- n. One of the Impennes.

||Im*pen"nes (?), n. pl. [NL., fr. L. pref. im- not + penna feather.] ||(Zoöl.) An order of birds, including only the penguins, in which the ||wings are without quills, and not suited for flight. || Im*pen"nous (?) a. [L. pref. im- not + penna wing.] (Zoöl.) Having no wings, as some insects.

Im*peo"ple (?), v. t. [imp. & p. p. Impeopled (?); p. pr. & vb. n. Impeopling (?).] [See Empeople.] To people; to give a population to. [Obs.]

Thou hast helped to impeople hell.

Beaumont.

Im"pe*rant (?), a. [L. imperans, p. pr. of imperare to command.] Commanding. [R.] Baxter.

Im"pe*rate (?), a. [L. imperatus, p. p. of imperare to command.] Done by express direction; not involuntary; communded. [Obs.]

Those imperate acts, wherein we see the empire of the soul.

Sir M. Hale.

Im*per`a*ti"val (?), a. (Gram.) Of or pertaining to the imperative mood.

Im*per"a*tive (?), a. [L. imperativus, fr. imperare to command; pref. im- in + parare to make ready, prepare: cf. F. impératif. See Perade, and cf. Empire.] 1. Expressive of command; containing positive command; authoritatively or absolutely directive; commanding; authoritative; as, imperative orders.

The suit of kings are imperative.

Bp. Hall.