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Oxford-Hachette French Dictionary

French
French
English
English

efficace [efikas] ADJ

efficace action, méthode, mesure
effective
efficace remède
effective, efficacious form
efficace personne, machine, dispositif
efficient
radicalement efficace
extremely
English
English
French
French
efficacious
efficace (to do de faire)
effectual method, cure, punishment
efficace
efficaciously
de manière efficace
efficiently
de façon efficace
efficient
efficace (at doing pour ce qui est de faire)
beneficial treatment
efficace
productive system, method, use
efficace
effective
efficace (against contre, in doing pour faire)
it's more effective to replace the whole system
il est plus efficace de remplacer tout le système
I'm only 50% effective
je ne suis efficace qu'à 50%

in the PONS Dictionary

French
French
English
English

efficace [efikas] ADJ

efficace
effective
efficace personne
efficient
ce médicament est peut-être efficace, mais ...
this medicine may well be effective, but ...
il est reconnu que ce médicament est très efficace
this medicine is known to be very effective
English
English
French
French
efficacious
efficace
efficient
efficace
proven
efficace
telling
efficace
effective measures, medicine
efficace
in the PONS Dictionary
French
French
English
English

efficace [efikas] ADJ

efficace
effective
efficace personne
efficient
il est reconnu que ce médicament est très efficace
this medication is known to be very effective
ce médicament est peut-être efficace, mais ...
this medicine may well be effective, but ...
English
English
French
French
efficacious
efficace
efficient
efficace
telling
efficace
proven
efficace
effective measures, medicine
efficace
dev
dev
dev
dev