se perfectionner, v.r., to perfect one’s self; to improve one’s self; to improve.

perfide, n.m.f. and adj., perfidious, treacherous, false, false-hearted person; perfidious, treacherous, false. Le — m’a trahi; the perfidious man betrayed me.

perfidement (-fid-mān), adv., perfidiously, falsely, treacherously, basely.

perfidie, n.f., perfidy, perfidiousness; treachery; false-heartedness, treacherousness; treacherous action, treacherous thing. Faire une —; to commit an act of perfidy.

perfolié, -e, adj., (bot.) perfoliate, perfoliated.

perforage, n.m., boring; perforation.

perforant, -e, adj., perforating; perforative.

perforateur, n.m., (tech.) perforator.

perforati-f, -ve, adj., (surg.) perforative.

perforation, n.f., perforation.