CONFIRMATORY Synonyms: 23 Similar and Opposite Words

confirmatory

adjective

kən-ˈfər-mə-ˌtȯr-ē

Definition of confirmatory

as in confirming

serving to give support to the truth or factualness of something a confirmatory test for pregnancy

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of confirmatory 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 Those drugs are unlikely to have successful confirmatory trials. — Adriane Fugh-Berman, Baltimore Sun, 10 May 2024 See All Example Sentences for confirmatory

Recent Examples of Synonyms for confirmatory

Adjective

The incredible supporting cast is made up entirely of old-hand character actors, promising but underknown newcomers, and comedy- or comedy-adjacent figures with passionate niche followings and Gumby-esque limbs.

— Kathryn VanArendonk, Vulture, 17 June 2026
Some went after Cashman, some after Boone, some after Steinbrenner’s son Hal, and some after Aaron Judge’s non-supporting cast.

— Ian O'Connor, New York Times, 10 Oct. 2025

Definition of supporting

Adjective

The supplementary motor area helps organise their sequence, and the primary motor cortex sends commands to the muscles of the trunk, shoulder, arm and wrist.

— Michelle Spear, Scientific American, 11 July 2026
With two satellites at supplementary inclinations, the Newtonian perturbations are equal and opposite in the two orbital planes and cancel each other out.

— Jacek Krywko, ArsTechnica, 10 July 2026

Definition of supplementary

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confirmations

confirmatory

confirmed

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“Confirmatory.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/confirmatory. Accessed 25 Jul. 2026.

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Synonyms of confirmatory

adjective

Example Sentences

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