noun

placebo

placebo

Some patients were given a placebo.

Some patients were given a placebo.

The placebo effect is a real phenomenon.

The placebo effect is a real phenomenon.

((a/an)) placebo a substance that has no physical effect The control group received a placebo.

((the)) placebo effect the beneficial effect produced by a placebo The placebo effect is powerful.

Synonyms: dummy pill, sugar pill

From Latin 'placebo', meaning 'I shall please'. Its medical sense comes from the idea of pleasing a patient rather than treating them.

Remember 'placebo pleases'. It's a fake treatment that pleases the patient by making them believe it's real.

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