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Definitions

placebo

[pluh-see-boh, plah-chey-boh] / pləˈsi boʊ, plɑˈtʃeɪ boʊ /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Around 40 percent of patients taking baxdrostat reached healthy blood pressure levels, compared with fewer than 20 percent in the placebo group.

From Science Daily • Apr. 3, 2026

Participants were randomly assigned to take either solriamfetol or a placebo on workdays over a four-week period.

From Science Daily • Apr. 1, 2026

A drug also needs to be proven to work better than a placebo.

From Slate • Mar. 30, 2026

The company said patients who were on the highest dose lost 15.3% of their weight while those in the placebo group lost 2.6%.

From The Wall Street Journal • Mar. 19, 2026

Modern trials of the efficacy of therapies depend on the idea that an effective therapy must perform better than a placebo.

From "The Invention of Science" by David Wootton