improviso; de —, suddenly, unexpectedly.
imprudentemente, imprudently.
impuesto (p. p. of imponer), well informed, acquainted.
impulsar, to impel, give impulse.
impulso, impulse; á — de, under the influence of; dan —s de, one is tempted (to).
inanimado, inanimate.
incansable, indefatigable.
incapaz, incapable.
incesante, incessant, ceaseless.
incesantemente, incessantly.