Improvisate, im-prov′i-sāt, Improvise, im-pro-vīz′, v.t. to compose and recite, esp. in verse, without preparation: to bring about on a sudden: to do anything off-hand.—ns. Improvisā′tion, act of improvising: that which is improvised; Improvisā′tor, Improvisatō′re (-rā), sometimes fem. Improvisā′trix, Improvisatri′ce, one who improvises: one who composes and recites verses without preparation:—pl. Improvisatō′ri (-rē).—adjs. Improvisatō′rial, Improvis′atory.—n. Improvīs′er.—adj. Improvī′so, not studied beforehand. [Fr. improviser—L. in, not, provisus, foreseen.]
Imprudent, im-prōō′dent, adj. wanting foresight or discretion: incautious: inconsiderate.—n. Impru′dence.—adv. Impru′dently.
Impudent, im′pū-dent, adj. wanting shame or modesty: brazen-faced: bold: rude: insolent.—n. Im′pudence.—adv. Im′pudently.—n. Impudic′ity. [L. in, not, pudens, -entis—pudēre, to be ashamed.]
Impugn, im-pūn′, v.t. to oppose: to attack by words or arguments: to call in question.—adj. Impugn′able.—ns. Impugn′er; Impugn′ment. [L. impugnāre—in, against, pugnāre, to fight.]
Impuissant, im-pū′i-sant, adj. powerless.—n. Impū′issance.
Impulse, im′puls, n. the act of impelling: effect of an impelling force: force suddenly communicated: influence on the mind.—n. Impul′sion, impelling force: instigation.—adj. Impuls′ive, having the power of impelling: actuated by mental impulse: (mech.) acting by impulse: not continuous.—adv. Impuls′ively.—n. Impuls′iveness. [L. impulsus, pressure—impellĕre.]
Impunity, im-pūn′i-ti, n. freedom or safety from punishment: exemption from injury or loss. [Fr.,—L. impunitat-em—in, not, pœna, punishment.]
Impure, im-pūr′, adj. mixed with other substances: defiled by sin: unholy: unchaste: unclean.—adv. Impure′ly.—ns. Impur′ity, Impure′ness, quality of being impure.
Impurple, im-pur′pl. Same as Empurple.
Impute, im-pūt′, v.t. to reckon as belonging to (in a bad sense): to charge: (theol.) to attribute vicariously: (rare) to take account of.—adj. Imput′able, capable of being imputed or charged: attributable.—ns. Imput′ableness, Imputabil′ity.—adv. Imput′ably.—n. Imputā′tion, act of imputing or charging: censure: reproach: the reckoning as belonging to.—adjs. Imput′ative, imputed; Imput′atively.—n. Imput′er. [Fr. imputer—L. imputāre, -ātum—in, in, putāre, to reckon.]