confirmatory

[kuhn-fur-muh-tawr-ee] / kənˈfɜr məˌtɔr i /

ADJECTIVE

affirmative

Synonyms

STRONG

affirmatory approving positive supporting

WEAK

acknowledging acquiescent affirming complying concurring confirmative confirming consenting corroborative endorsing favorable ratifying

Antonyms

WEAK

dissenting negative

ADJECTIVE

collateral

Synonyms

STRONGEST

ancillary

STRONG

accessory adjuvant attendant auxiliary complementary concomitant coordinate dependent incident lateral parallel roundabout satellite side sub subordinate subsidiary supporting tributary

WEAK

accompanying added adjunctive appurtenant circuitous coincident concurrent corresponding corroborative not lineal related subservient under

Antonyms

STRONG

chief different dissimilar important independent major necessary unrelated

WEAK

direct main primary principal

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The FDA quickly reversed course, agreeing to review Moderna’s application after the company agreed to another confirmatory study in an older age group.

From The Wall Street Journal • Mar. 6, 2026

If that proves positive, a confirmatory blood test is required - but that can take laboratories weeks to analyse.

From BBC • Dec. 11, 2025

But in 2022, it said it would withdraw the drug after it failed External link a required confirmatory trial.

From Barron's • Oct. 24, 2025

"I think the urgency and importance of doing the confirmatory work can't be overstated."

From Science Daily • Oct. 19, 2025

But note Sabra’s judgement: ‘It remains true, however, that the confirmatory experiments in I. H.’

From "The Invention of Science" by David Wootton

confirmatory

Example Sentences

Related Words