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

Synonyms & Similar Words

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Antonyms & Near Antonyms

Example Sentences

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 community of Crystal Lake wants to be supportive, especially Levon (William Catlett), a widower with a dark past and big ole crush on Pamela and her exceptional sweater.

— Daniel Fienberg, HollywoodReporter, 13 Oct. 2026
Many of its socks feature a signature honeycomb design at the arch, which helps create a more secure fit, minimize bunching, and provide a supportive feel.

— Katie Decker-Jacoby, StyleCaster, 13 Oct. 2026

Definition of supportive

Adjective

The space is warm and lo-fi—Polaroids of friends and a handwritten lineup of the day’s specials (which can be added at a supplementary cost) are stuck to a noticeboard—but the food is sharp and assured.

— Helen Rosner, New Yorker, 11 Oct. 2026
Since 1973, however, Olympic medalists and Asian Games gold medalists have been able to replace the full term with a supplementary service which consists of three weeks of basic training.

— ABC News, ABC News, 7 Oct. 2026

Definition of supplementary

Browse Nearby Words

confirmations

confirmatory

confirmed

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“Confirmatory.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/confirmatory. Accessed 20 Oct. 2026.

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Synonyms of confirmatory

adjective

Example Sentences

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