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efficacious
UK
/ˌɛfɪˈkeɪʃəs/
US
/ˌɛfɪˈkeɪʃəs/
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efficacious
adjective
more efficacious
Comp.
most efficacious
Super.
UK
/ˌɛfɪˈkeɪʃəs/
US
/ˌɛfɪˈkeɪʃəs/
efficace
Soutenu; s’emploie surtout pour parler d’un remède, d’un traitement ou d’une méthode qui produit l’effet recherché.
The new medication proved to be highly efficacious in treating the disease.
Le nouveau médicament s’est révélé très efficace pour traiter la maladie.
Synonyms
capable
useful
productive
powerful
potent
efficient
effective
Antonyms
ineffective
inefficacious
Definitions
efficacious
adjective
Producing the desired effect or result; effective.
The new medication proved to be highly efficacious in treating the disease.
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