impotence, n.f., (med.) impotence; weakness.
impotent, -e, adj., (med.) impotent, infirm.
impracticabilité, n.f., impracticability.
impraticable, adj., impracticable; untractable, unmanageable; uninhabitable, impassable; impossible, not to be done. L’humidité rend cette chambre — pendant l’hiver; the damp renders this room uninhabitable during the winter. Des chemins —s; impassable roads.
imprécation, n.f., imprecation, curse. Faire des —s; to curse. Charger d’—s; to load with imprecations, with curses.
imprécatoire, adj., imprecatory.
*imprégnation, n.f., impregnation.
*imprégner, v.a., to impregnate.
s’imprégner, v.r., to become impregnated.