con·​fir·​ma·​to·​ry kən-ˈfər-mə-ˌtȯr-ē How to pronounce confirmatory (audio)
: serving to confirm : corroborative
a confirmatory test

Examples of confirmatory in a Sentence

a confirmatory test for pregnancy
Recent Examples on the Web So reporters expanded the investigation to other border towns and tourist destinations, using at-home testing strips followed by confirmatory lab tests to determine the pills’ contents. Tribune News Service, Hartford Courant, 1 Jan. 2024 If this blogger is to be believed The Washington Post basically had a thesis, and went looking for confirmatory quotes, or, consciously distorted and misrepresented communication to transform them into confirmatory quotes. Razib Khan, Discover Magazine, 19 Nov. 2019 The vaccine went through the FDA’s accelerated approval pathway, and will continue to be evaluated in confirmatory studies. Meghana Keshavan, STAT, 10 Nov. 2023 The restraint order passed by the respondent pursuant to the ad interim order and the confirmatory order restraining the appellant from functioning as a managing director is set aside. Naman Ramachandran, Variety, 30 Oct. 2023 Such is the case with HIV tests, which require a confirmatory test to accurately diagnose the virus. Elizabeth Boskey, Verywell Health, 20 July 2023 But the company’s confirmatory study has some serious flaws, according to the FDA, putting its future in jeopardy. Damian Garde, STAT, 4 Oct. 2023 Three of the studies were edited, either through confirmatory experimentation or replacing the wrong images with the correct ones, and were published on the preprint server, bioRxiv. Angela Roberts, Baltimore Sun, 1 Aug. 2023 The federal agency's confirmatory testing, however, was inconclusive because the respiratory specimen did not contain enough virus. Kristen Jordan Shamus, Detroit Free Press, 5 Aug. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'confirmatory.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1636, in the meaning defined above

Time Traveler
The first known use of confirmatory was in 1636

Dictionary Entries Near confirmatory

Cite this Entry

“Confirmatory.” Dictionary, Merriam-Webster, Accessed 15 Apr. 2024.

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