Impearl, im-pėrl′, v.t. to adorn with or as with pearls: to make like pearls.
Impeccable, im-pek′a-bl, adj. not liable to error or to sin.—ns. Impeccabil′ity, Impecc′ancy.—adj. Impecc′ant, doing no sin.
Impecunious, im-pe-kūni-us, adj. having no money: poor.—n. Impecunios′ity.
Impede, im-pēd′, v.t. to hinder or obstruct.—n. Impē′dance, hinderance, esp. in electricity an apparent increase of resistance due to induction in a circuit.—adj. Imped′ible, capable of being impeded.—n. Imped′iment, that which impedes: hinderance: a defect preventing fluent speech.—n.pl. Impediment′a, military baggage, baggage generally.—adjs. Impedimen′tal, Imped′itive, causing hinderance. [L. impedīre—in, in, pes, pedis, a foot.]
Impel, im-pel′, v.t. to urge forward: to excite to action: to instigate:—pr.p. impel′ling; pa.p. impelled′.—adj. Impel′lent, impelling or driving on.—n. a power that impels.—n. Impel′ler. [L. impellĕre, impulsum—in, on, pellĕre, to drive.]
Impend, im-pend′, v.i. to threaten: to be about to happen.—ns. Impend′ence, Impend′ency, the state of impending: near approach.—adj. Impend′ent, imminent: ready to act or happen. [L. impendēre—in, on, pendēre, to hang.]
Impenetrable, im-pen′e-tra-bl, adj. incapable of being pierced: preventing another body from occupying the same space at the same time: not to be impressed in mind or heart.—n. Impenetrabil′ity, one of the essential properties of matter, implying that no two bodies can at the same time occupy the same space.—adv. Impen′etrably.
Impenitent, im-pen′i-tent, adj. not repenting of sin.—n. one who does not repent: a hardened sinner.—n. Impen′itence.—adv. Impen′itently.
Impennate, im-pen′āt, Impennous, im-pen′us, adj. wingless: having very short wings useless for flight. [L. in, not, penna, a wing.]
Imperative, im-per′a-tiv, adj. expressive of command: authoritative: peremptory: obligatory.—adv. Imper′atively.—Imperative mood, the form of a verb expressing command or advice; Categorical imperative (see under Category). [L. imperativus—imperāre, to command—in, in, parāre, to prepare.]