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
The new report is the second in recent weeks to cast doubt on the efficacy of Meta’s child-safety tools.
—Charlotte Alter, Time, 9 Oct. 2025
That's significantly better than the current efficacy of the drug, which typically takes three to six months to produce new hair growth in humans.
—New Atlas, 8 Oct. 2025
The 10 dead roaches were a testament to the efficacy of the tracking power pesticide.
—David J. Neal, Miami Herald, 7 Oct. 2025
According to the team, most of the new compounds previously studied for MASLD treatment have failed in clinical trials, for reasons including efficacy and safety.
—Hannah Millington, MSNBC Newsweek, 6 Oct. 2025
See All Example Sentences for efficacy
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Charlotte Alter, Time, 9 Oct. 2025
That's significantly better than the current efficacy of the drug, which typically takes three to six months to produce new hair growth in humans.
—New Atlas, 8 Oct. 2025
The 10 dead roaches were a testament to the efficacy of the tracking power pesticide.
—David J. Neal, Miami Herald, 7 Oct. 2025
According to the team, most of the new compounds previously studied for MASLD treatment have failed in clinical trials, for reasons including efficacy and safety.
—Hannah Millington, MSNBC Newsweek, 6 Oct. 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 16 Oct. 2025.
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