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.
In the Air India case, investigators will need to establish much more than the alleged fact that the captain's confirmatory test was positive.
From BBC ● Aug. 15, 2026
Simpson said the agency indicated it wouldn’t require new subjects to be dosed for a confirmatory study, only that the original 13 be followed longer to monitor neurocognitive development.
From The Wall Street Journal ● Jun. 22, 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
"I think the urgency and importance of doing the confirmatory work can't be overstated."
From Science Daily ● Oct. 19, 2025
“Of course not,” echoed Mariequita, with a serious, confirmatory bob of the head.
From "The Awakening" by Kate Chopin
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.