as in effectiveness
the power to produce a desired result
questioned the efficacy of the alarms in actually preventing auto theft
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Recent Examples of efficacy
While clinical trials provide essential data on safety and efficacy, an EGP goes further.
—
Nida Khan, Forbes, 16 Dec. 2024
In news which headlined the AIDS 2024 conference in Munich in July, early results indicated 100% efficacy, after Gilead Sciences revealed that not a single woman who had received the drug since the trial began in August 2021, had contracted HIV.
—Maria Isabel Barros Guinle, NPR, 12 Dec. 2024
The team plans to continue safety and efficacy studies with more human patients, said Asboth, and test how patients could benefit from hybrid therapies that use DBS in conjunction with other neuromodulation techniques, such as spinal stimulation.
—IEEE Spectrum, 8 Dec. 2024
The Silicon Valley investor has called for major reform at the FDA in the past and argued that the efficacy of drugs should be measured after they have been allowed on market.
—Sara Dorn, Forbes, 9 Dec. 2024
See all Example Sentences for efficacy 
Nida Khan, Forbes, 16 Dec. 2024
In news which headlined the AIDS 2024 conference in Munich in July, early results indicated 100% efficacy, after Gilead Sciences revealed that not a single woman who had received the drug since the trial began in August 2021, had contracted HIV.
—Maria Isabel Barros Guinle, NPR, 12 Dec. 2024
The team plans to continue safety and efficacy studies with more human patients, said Asboth, and test how patients could benefit from hybrid therapies that use DBS in conjunction with other neuromodulation techniques, such as spinal stimulation.
—IEEE Spectrum, 8 Dec. 2024
The Silicon Valley investor has called for major reform at the FDA in the past and argued that the efficacy of drugs should be measured after they have been allowed on market.
—Sara Dorn, Forbes, 9 Dec. 2024
See all Example Sentences for efficacy
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Cite this Entry
“Efficacy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/efficacy. Accessed 7 Jan. 2025.
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