confirmatory
adjective
con·fir·ma·to·ry
kən-ˈfər-mə-ˌtȯr-ē 
: serving to confirm : corroborative
a confirmatory test
Examples of confirmatory in a Sentence
a confirmatory test for pregnancy
Recent Examples on the Web
The need-to-know this morning Vera Therapeutics and the FDA reached an agreement to allow Vera to accelerate the analysis of a confirmatory Phase 3 study involving atacicept, its treatment for the chronic kidney disease IgA nephropathy.
—
Elaine Chen, STAT, 2 June 2026
Going forward, the FDA’s default position will be one study plus confirmatory evidence for novel products, especially in the oncology, rare disease and cell and gene therapy spaces.
—Joshua P. Cohen, Forbes.com, 14 May 2026
One is in the biocontainment unit after testing positive for the virus, but the US Centers for Disease Control and Prevention is awaiting the results of a confirmatory test, according to an official with the US Department of Health and Human Services.
—Lex Harvey, CNN Money, 12 May 2026
More frequently, though, my winter surprises have been confirmatory rather than revelatory.
—Daniel Fienberg, HollywoodReporter, 24 Feb. 2026
See All Example Sentences for confirmatory
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Elaine Chen, STAT, 2 June 2026
Going forward, the FDA’s default position will be one study plus confirmatory evidence for novel products, especially in the oncology, rare disease and cell and gene therapy spaces.
—Joshua P. Cohen, Forbes.com, 14 May 2026
One is in the biocontainment unit after testing positive for the virus, but the US Centers for Disease Control and Prevention is awaiting the results of a confirmatory test, according to an official with the US Department of Health and Human Services.
—Lex Harvey, CNN Money, 12 May 2026
More frequently, though, my winter surprises have been confirmatory rather than revelatory.
—Daniel Fienberg, HollywoodReporter, 24 Feb. 2026
See All Example Sentences for confirmatory
Cite this Entry
“Confirmatory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/confirmatory. Accessed 23 Jun. 2026.
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