confirm

verb

con·firm | \ kən-ˈfərm

confirmed; confirming; confirms

Definition of confirm

transitive verb

1 : to give approval to : ratify confirm a treaty

2 : to make firm or firmer : strengthen confirm one's resolve

3 : to administer the rite of confirmation to

4 : to give new assurance of the validity of : remove doubt about by authoritative act or indisputable fact confirm a rumor confirm an order

Other Words from confirm Synonyms & Antonyms Choose the Right Synonym More Example Sentences Learn More about confirm

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Other Words from confirm

confirmability \ kən-ˌfər-mə-ˈbi-lə-tē

\ noun

confirmable \ kən-ˈfər-mə-bəl

\ adjective

Choose the Right Synonym for confirm

confirm, corroborate, substantiate, verify, authenticate, validate mean to attest to the truth or validity of something. confirm implies the removing of doubts by an authoritative statement or indisputable fact. confirmed the reports corroborate suggests the strengthening of what is already partly established. witnesses corroborated his story substantiate implies the offering of evidence that sustains the contention. the claims have yet to be substantiated verify implies the establishing of correspondence of actual facts or details with those proposed or guessed at. all statements of fact in the article have been verified authenticate implies establishing genuineness by adducing legal or official documents or expert opinion. handwriting experts authenticated the diaries validate implies establishing validity by authoritative affirmation or by factual proof. validated the hypothesis by experiments

Examples of confirm in a Sentence

The tests confirmed the doctors' suspicions of cancer. The attack confirmed her worst fears about the neighborhood. The award confirmed her status as one of the great movie actresses. The dentist's office called to confirm your appointment for tomorrow. We have a reservation for you for tomorrow night. Please call to confirm.

Recent Examples on the Web

Shortly after her relationship with Prince Harry was first confirmed, Meghan deleted all of her own personal social media platforms. — Lucy Wood, Marie Claire, "There's a Theory That Meghan Markle Is Running the Sussex Instagram Account Herself," 16 Apr. 2019 Now Quanta is reporting that two independent analyses have been completed that confirm that detection. — Jennifer Ouellette, Ars Technica, "No more doubts: Two independent studies confirm LIGO’s Nobel discovery," 16 Dec. 2018 One can infer from this news that the CDR confirmed the Air Force’s stated $550 million per Raider price tag. — Joe Pappalardo, Popular Mechanics, "New U.S. Secret Bomber Program Passes Critical Design Review," 6 Dec. 2018 The wave is commonly referred to as a tsunami but a new study seems to confirm it’s in fact a rogue wave, by re-creating it almost exactly in a lab. — Avery Thompson, Popular Mechanics, "Scientists Made a Wave in a Lab That Looks Almost Exactly Like a Famous Artwork," 25 Jan. 2019 Several emergency rooms have reported an uptick in scooter injuries, although no city has provided data to confirm the trend. — Alissa Walker, Curbed, "Bird, Lime named in class-action lawsuit," 22 Oct. 2018 On March 11, it was confirmed that Lucy Hale will join the cast as the titular character, who is an aspiring fashion designer in New York City. — Abby Gardner, Glamour, "Katy Keene: Everything We Know So Far About the Riverdale Spinoff," 12 Mar. 2019 Though the relationship was never officially confirmed, they were often seen together, holding hands at Disneyland, and even spending Valentine's Day together in 2012. — Carolyn Twersky, Seventeen, "Everything You Need to Know About Zac Efron's Love Life," 6 Mar. 2019 According to Deadline, when the heartbreaking news of Perry's passing was confirmed, the series halted production. — Nicole Saunders, Harper's BAZAAR, "Hollywood Mourns the Death of 90210 and Riverdale Star Luke Perry," 5 Mar. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'confirm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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Dictionary Entries near confirm

confirmability theory

confirmand

confirmation

Statistics for confirm

Last Updated

23 Apr 2019

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The first known use of confirm was in the 13th century

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More Definitions for confirm

confirm

verb

English Language Learners Definition of confirm

: to state or show that (something) is true or correct

: to tell someone that something has definitely happened or is going to happen : to make (something) definite or official

formal : to make (something) stronger or more certain : to cause (someone) to believe (something) more strongly

See the full definition for confirm in the English Language Learners Dictionary

confirm

verb

con·firm | \ kən-ˈfərm

confirmed; confirming

Kids Definition of confirm

1 : to make sure of the truth of Their arrest confirms my suspicion.

2 : to make firm or firmer (as in a habit, in faith, or in intention) : strengthen The job at the shelter confirmed her intention to become a veterinarian.