noun
- the quality or state of being efficacious; effectiveness in producing a desired result
Usage: formal
Examples
- The efficaciousness of the new treatment was demonstrated in clinical trials.
- Researchers questioned the efficaciousness of traditional methods.
- The medicine’s efficaciousness depends on proper dosage.
- Studies confirmed the efficaciousness of the educational program.
- The efficaciousness of the policy remains under debate.
- Her presentation highlighted the efficaciousness of renewable energy solutions.