ultra, n.m., (—s) ultra (person of violent opinions).
ultraïsme, n.m., ultraism.
ultra-mondain, -e (-dīn, -dè-n), adj., ultra-mundane.
ultramontain, -e (-tīn, -tè-n), n. and adj., ultramontane; tramontane.
ultramontanisme, n.m., ultramontanism.
ultrazodiacal, adj., (astron.) ultrazodiacal (applied to those planets, the orbit of which is not limited to the width of the zodiac).
ululation, n.f., ululation; howling, hooting.
ululer, v.n., to ululate, to hoot, to howl.
umble, n.m., (ich.) umber, char or charr, grayling.
un, n.m., one; unit.