improviser, v.n., to extemporize, to speak extempore.
à l’improviste, adv., all of a sudden, suddenly, unawares, unexpectedly; aback. Prendre à l’—; to catch any one unawares or napping.
imprudemment (-da-mān), adv., imprudently, unadvisedly, indiscreetly, incautiously.
imprudence, n.f., imprudence, unadvisedness; indiscretion, imprudent act, folly. Faire une —; to do an imprudent thing. Commettre une —; to be guilty of an indiscretion.
imprudent, -e, n. and adj., imprudent, foolhardy person; imprudent, unadvised, unwise incautious.
impubère, adj., impuberal.
impuberté, n.f., impuberty.
impubliable, adj., unpublishable.
impudemment (-da-mān), adv., impudently, audaciously, shamelessly.
impudence, n.f., impudence, audaciousness, shamelessness; impudent thing, impudent conduct, piece of impudence.