imprecación, f., imprecation, curse.
impregnar, to impregnate, saturate, imbue.
impresión, f., impression.
impreso, -a, adj. pp. (irr.) of imprimir, imprinted, stamped.
improvisar, to improvise, extemporize.
improviso, -a, unexpected; de —, suddenly, unexpectedly.
impulsar, to impel.
impulso, m., impulse, power, force, motion, gust; á —s de, moved by, overcome by.
inagotable, inexhaustible
inanimado, -a, inanimate, lifeless. incansable, indefatigable, tireless, unwearied; adv., tirelessly.