Examples of efficacy in a Sentence
In the planner's view, Rumsfeld had two goals: to demonstrate the efficacy of precision bombing and to "do the war on the cheap."
—
Seymour M. Hersh, New Yorker, 7 Apr. 2003
Vaccines exist, but their efficacy against aerosolized plague is unknown.
—Sharon Begley et al., Newsweek, 8 Oct. 2001
… efficacy does not have to be demonstrated before homeopathic products are marketed.
—Alison Abbott et al., Nature, 26 Sept. 1996
questioned the efficacy of the alarms in actually preventing auto theft
Seymour M. Hersh, New Yorker, 7 Apr. 2003
Vaccines exist, but their efficacy against aerosolized plague is unknown.
—Sharon Begley et al., Newsweek, 8 Oct. 2001
… efficacy does not have to be demonstrated before homeopathic products are marketed.
—Alison Abbott et al., Nature, 26 Sept. 1996
questioned the efficacy of the alarms in actually preventing auto theft
Recent Examples on the Web
So perhaps the legitimate research and efficacy of peptides—a new, or new-seeming, class of health and longevity products—explains why everyone is talking about them right now.
—Will Price, Robb Report, 12 Aug. 2025
Kennedy has long promoted doubts about vaccines' safety and efficacy, and as health secretary has upended the federal government's process for recommending immunization.
—Michael Erman, USA Today, 12 Aug. 2025
From there, there is debate around the ethics, safety and efficacy of various plant, animal and human stem cell sources, from donor age, to medical screening, respective bioavailability, shelf stability and marketing claims.
—Jessica Ourisman, Forbes.com, 11 Aug. 2025
Long-term safety and efficacy of the nanoflowers remain unknown.
—New Atlas, 8 Aug. 2025
See All Example Sentences for efficacy
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Will Price, Robb Report, 12 Aug. 2025
Kennedy has long promoted doubts about vaccines' safety and efficacy, and as health secretary has upended the federal government's process for recommending immunization.
—Michael Erman, USA Today, 12 Aug. 2025
From there, there is debate around the ethics, safety and efficacy of various plant, animal and human stem cell sources, from donor age, to medical screening, respective bioavailability, shelf stability and marketing claims.
—Jessica Ourisman, Forbes.com, 11 Aug. 2025
Long-term safety and efficacy of the nanoflowers remain unknown.
—New Atlas, 8 Aug. 2025
See All Example Sentences for efficacy
Cite this Entry
“Efficacy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/efficacy. Accessed 21 Aug. 2025.
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