dureté (dur-té), n.f., hardness, toughness; harshness, austerity, unkindness; stiffness. La — du fer; the hardness of iron. Avoir une — d’oreille; to be hard of hearing. La — de son regard; the sternness of his look. — de cœur; hard-heartedness.

duretés, n.f.pl., harsh, offensive words.

*durillon, n.m., callosity, hard skin; corn.

durillonner, v.n., to become hard.

se durillonner, v.r., to become covered with warts, callosities.

duriuscule, adj., (jest.) somewhat hard, tough, hardish.

duumvir (du-om-), n.m., duumvir.

duumvirat, n.m., duumvirate.

duvet, n.m., down; wool, nap.

duveté, -e (duv-té), adj., (of birds) downy.