efficacy
Example Sentences
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Sanofi said it would stop a late-stage study of an experimental treatment for a rare immune disorder after concluding the drug was unlikely to deliver sufficient efficacy.
From The Wall Street Journal • Jun. 10, 2026
The analysts at Citi also highlighted what they said were real-world signals of waning efficacy in Wegovy pill as roughly a quarter to a third of patients are no longer losing weight.
From MarketWatch • Jun. 8, 2026
“The unique advantage Tesla has, and unmatched at an industrial-level scale, is the degree of vertical integration…across all the hardware plus software products it builds, combined with the efficacy and speed of technology development.”
From Barron's • Jun. 5, 2026
Leaving efficacy to doctors would help Americans lead longer, healthier lives.
From The Wall Street Journal • Jun. 1, 2026
In this domain, the prize for efficacy goes to the Cantonese dialect of Chinese, whose brevity grants residents of Hong Kong a rocketing memory span of about 10 digits.
From "Outliers" by Malcolm Gladwell
Vocabulary lists containing efficacy
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Power Suffix: -acy
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This Week in Words: December 30, 2017 - January 5, 2018
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