confirmatory
Americanadjective
Other Word Forms
Etymology
Origin of confirmatory
1630–40; < Medieval Latin confirmātōrius, equivalent to Latin confirmā ( re ) ( see confirm) + -tōrius -tory 1
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.
It said the captain's initial test produced a result requiring "confirmatory testing", external and that both pilots had been removed from flying duties pending the inquiry.
From BBC ● Aug. 15, 2026
“This count reflects only the animals that have gone through sampling and confirmatory testing in multiple labs,” she said.
From Los Angeles Times ● Mar. 12, 2026
In February, the FDA Commissioner unveiled a new default position that just one “adequate and well-controlled” study combined with confirmatory evidence will underpin marketing authorization of novel products.
From The Wall Street Journal ● Mar. 10, 2026
But in 2022, it said it would withdraw the drug after it failed External link a required confirmatory trial.
From Barron's ● Oct. 24, 2025
But note Sabra’s judgement: ‘It remains true, however, that the confirmatory experiments in I. H.’
From "The Invention of Science" by David Wootton
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