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
The Centers for Disease Control and Prevention (CDC) is conducting confirmatory testing, which can take up to 10 days to complete.
—
Jenni Fink,
MSNBC Newsweek,
13 May 2026
More frequently, though, my winter surprises have been confirmatory rather than revelatory.
—
Daniel Fienberg,
HollywoodReporter,
24 Feb. 2026
In many cases, presumptive testing requires further confirmatory testing.
—
Salvador Hernandez,
Los Angeles Times,
29 Apr. 2025
See All Example Sentences for confirmatory
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Elaine Chen,
STAT,
2 June 2026
The Centers for Disease Control and Prevention (CDC) is conducting confirmatory testing, which can take up to 10 days to complete.
—
Jenni Fink,
MSNBC Newsweek,
13 May 2026
More frequently, though, my winter surprises have been confirmatory rather than revelatory.
—
Daniel Fienberg,
HollywoodReporter,
24 Feb. 2026
In many cases, presumptive testing requires further confirmatory testing.
—
Salvador Hernandez,
Los Angeles Times,
29 Apr. 2025
See All Example Sentences for confirmatory
Cite this Entry
“Confirmatory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/confirmatory. Accessed 7 Jul. 2026.
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