efficace, adj., efficacious, effectual, effective.

efficace, n.f., efficacy, efficiency, virtue.

efficacement (-kas-mān), adv., efficaciously, efficiently, effectually.

efficacité, n.f., efficacy, efficiency.

efficient, -e, adj., efficient.

effigie, n.f., effigy. Pendre en —; to hang in effigy.

effigier, v.a., to make an effigy of.

effilé, n.m., fringe.

effilé, -e, adj., slender, slim; sharp, fine, tapering. Avoir la taille —e; to have a thin, slender figure.

effiler, v.a., to unweave, to ravel out, to unravel; to thin (the hair); (hunt.) to tire out the dogs.