double-blind

American  

[duhb-uhl-blahynd] / ˈdʌb əlˈblaɪnd /

adjective

1. of or relating to an experiment or clinical trial in which neither the subjects nor the researchers know which subjects are receiving the active medication, treatment, etc., and which are not: a technique for eliminating subjective bias from the test results.

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double-blind British  

adjective

1. of or relating to an experiment to discover reactions to certain commodities, drugs, etc, in which neither the experimenters nor the subjects know the particulars of the test items during the experiments Compare single-blind

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Etymology

Origin of double-blind

First recorded in 1935–40

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Compare meaning

How does double-blind compare to similar and commonly confused words? Explore the most common comparisons:

• single-blind vs. double-blind

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Example Sentences

See Examples For:

double-blind

"It shouldn't ever be misconstrued as clinical trial data, or double-blind, placebo-controlled, peer-reviewed data. It is just meant as a starting point to be able to garner support for future studies."

From BBC ● Sep. 12, 2026

Back in 2005, researchers conducted a randomized, double-blind, placebo-controlled study in 46 patients with ulcerative colitis.

From MarketWatch ● Jul. 23, 2026

In a double-blind study, 36 chemists provided 368 valid evaluations, and their assessments agreed with the system's results 71.2% of the time on average.

From Science Daily ● May 5, 2026

UniQure said Monday that the FDA “strongly recommended uniQure conduct a prospective, randomized, double-blind, sham surgery-controlled study.”

From The Wall Street Journal ● Mar. 7, 2026

In minutes from the FDA’s Type A meeting—a meeting to discuss stalled development programs—the agency recommended uniQure conduct a further randomized, double-blind, sham surgery-controlled study, the company said.

From Barron's ● Mar. 2, 2026

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