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.
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 The result could indicate a potential connection with the placebo effect, a phenomenon whereby a sham intervention shows positive results in people who expect the treatment to benefit them. Allison Parshall, Scientific American, 19 Jan. 2026 The only thing a vasectomy can do is prevent pregnancy, but the placebo effect is real. Sarah Digregorio, Vanity Fair, 5 Jan. 2026 After a while, however, placebo effects tend to fade. Bryant Stamford, Louisville Courier Journal, 11 Dec. 2025 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 6 Feb. 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
Last Updated: - Updated example sentences
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