confirmatory

[ kuhn-fur-muh-tawr-ee ]

adjective

1. serving to confirm; corroborative.

Other Words From

• non·con·firm·a·tive adjective
• non·con·firm·a·to·ry adjective
• un·con·firm·a·tive adjective
• un·con·firm·a·to·ry adjective

Word History and Origins

Origin of confirmatory¹

1630–40; < Medieval Latin confirmātōrius, equivalent to Latin confirmā ( re ) ( confirm ) + -tōrius -tory ¹

Example Sentences

If the confirmatory test is also positive, then the athlete is moved to a dedicated hotel facility outside the Village, again in dedicated Olympic transport.

From Time

The agency directed Biogen to verify a benefit to patients in a confirmatory study due in nine years.

From Washington Post

The FDA will require a confirmatory trial for Aduhelm, the brand name of the generic aducanumab, and could restrict its use or remove it from the market if it is shown to not be effective.

From Washington Post

This year, Virginia joined the ranks of 17 other states that allow “confirmatory” or second-parent adoption.

From Washington Blade

Only two of the 44 potential reinfections were designated “probable” and the rest were considered “possible,” “based on the amount of confirmatory evidence available,” the health agency press release said.

From Vox

From there, they are then sent to an FDA lab for confirmatory chemical testing.

From The Daily Beast

Thus far we have only considered the origin of life, as confirmatory of man's spiritual nature.

From Project Gutenberg

Both the above instruments are to a great extent merely confirmatory of the privileges previously conceded to the Templars.

From Project Gutenberg

While Mary wept and lamented, Cornelia wrote the confirmatory wire, and sent it out to the waiting messenger.

From Project Gutenberg

They were trifling remains, but they sufficed, and the six fuming halves of pennygrabs were confirmatory.

From Project Gutenberg

This is all more or less confirmatory of Moscheles, if indeed any confirmation be needed.

From Project Gutenberg

Related Words

• ancillary