efficacious
IPA: ɛfʌkˈeɪʃʌs
adjective
- (formal) Effective; possessing efficacy.
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Examples of "efficacious" in Sentences
- In other cases, they are efficacious and helpful.
- That would be the most efficacious treatment of all.
- No therapy is clearly efficacious, and all have undesirable side effects.
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