efficacious

/ˌɛfɪkˈe‍ɪʃəs/

/ˌɛfəˈkeɪʃəs/

efficacious

efficace

(of a treatment or drug) demonstrating positive and successful results when tested

efficace

achieving the desired outcome or having a noticeable impact

Synonymes : effective

Antonymes : ineffective

Exemples

1. Is it efficacious?

2. And which was probably very kind of efficacious.

3. And you're not only efficacious in terms of skill in the world.

4. And you're not only efficacious in terms of skill in the world.