irascibilité, n.f., irascibility, irritability.
irascible, adj., irascible, irritable.
☉ire, n.f., wrath, anger, ire.
iridium, n.m., (n.p.) (chem.) iridium.
iridescence, n.f., iridescence.
iridescent, -e, adj., iridescent.
iris (i-ris), n.m., iris, rainbow; (anat.) iris; (bot.) iris, iris-root, orris. Pois d’—; issue-pea. Poudre d’—; powdered orris-root.
irisé, -e, adj., rainbow-colored, irised, variegated; iridescent.
irlandais, -e, n. and adj., Irishman, Irishwoman; Irish.
irlandais, n.m., Irish language.