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.
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
In many cases, presumptive testing requires further confirmatory testing.
From Los Angeles Times ● Apr. 29, 2025
“Of course not,” echoed Mariequita, with a serious, confirmatory bob of the head.
From "The Awakening" by Kate Chopin
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.
