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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.

At five years, 5% of patients in the evolocumab group had experienced an event, compared with 7.1% in the placebo group.

From Science Daily • Mar. 30, 2026

The trial also demonstrated improvement relative to a placebo.

From Barron's • Mar. 30, 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

As it happens, Denis Papin, who had qualified as a doctor, was the first to describe the placebo and the placebo effect, in a letter to Leibniz, 11 or 12 August 1704.

From "The Invention of Science" by David Wootton




Vocabulary lists containing placebo