Defn: One who is not penitent. [R.]

IMPENITENTLY
Im*pen"i*tent*ly, adv.

Defn: Without repentance.

IMPENNATE
Im*pen"nate, a. (Zoöl.)

Defn: Characterized by short wings covered with feathers resembling scales, as the penguins. — n.

Defn: One of the Impennes.

IMPENNES
Im*pen"nes, n. pl. Etym: [NL., fr. L. pref. im- not + penna feather.]
(Zoöl.)

Defn: An order of birds, including only the penguins, in which the wings are without quills, and not suited for flight.

IMPENNOUS
Im*pen"nous a. Etym: [L. pref. im- not + penna wing.] (Zoöl.)

Defn: Having no wings, as some insects.