furieusement (-eûz-mān), adv., furiously; prodigiously, with a vengeance.

furieu-x, -se, adj., furious, mad, enraged, raging, fierce, savage, impetuous; monstrous, confounded, tremendous.

furin, n.m., deep water, open sea, high seas.

furolles, n.f.pl., fiery exhalations.

furoncle, n.m., (med.) furuncle, boil; gathering; (vet.) ambury.

furti-f, -ve, adj., furtive, stealthy, secret. Entrer d’un pas —; to steal in.

furtivement (-tiv-mān), adv., furtively, stealthily, by stealth, secretly.

fusain, n.m., (bot.) prickwood, spindle-tree; (for drawing) charcoal.

fusarolle, n.f., (arch.) fusarole.

fuseau, n.m., spindle, bobbin; distaff. Jambes de —; spindle legs.