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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.

The other half took a 3 mg placebo pill on the same schedule.

From Science Daily • May 30, 2026

One such trial, MND-SMART, sees several drugs tested at the same time as opposed to one group given a treatment and another a placebo.

From BBC • May 22, 2026

The other half received a sham treatment designed to control for the placebo effect.

From Science Daily • May 22, 2026

They point to studies suggesting a strong caregiver placebo effect, with the only real change being the owner’s perception of their pet’s condition.

From The Wall Street Journal • May 17, 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




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