placebo effect

noun

: improvement in the condition of a patient that occurs in response to treatment but cannot be considered due to the specific treatment used

Examples of placebo effect in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
As for people online who claim peptides have worked wonders for them, the placebo effect is a possible explanation, says Mendias, the rehabilitation expert. Dominique Mosbergen, Time, 24 Feb. 2026 And even the existence of MSG sensitivity itself has been disputed, as the placebo effect is thought to come into play to some extent. Caroline Tien, SELF, 23 Feb. 2026 The result is a real, measurable boost in energy levels, not just a placebo effect. Kathleen Ferraro, Verywell Health, 4 Feb. 2026 The issue is, the researchers say, is that the study's experimental design was faulty – a control group involved no stimulation, preventing blinding and raising the chances of the placebo effect in those who did use the device. New Atlas, 21 Jan. 2026 See All Example Sentences for placebo effect

Word History

First Known Use

1902, in the meaning defined above

Time Traveler
The first known use of placebo effect was in 1902

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Cite this Entry

“Placebo effect.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/placebo%20effect. Accessed 3 Mar. 2026.

Medical Definition

placebo effect

noun
: improvement in the condition of a patient that occurs in response to treatment but cannot be considered due to the specific treatment used
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