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confirm

verb
con·​firm | \ kÉ™n-ˈfÉ™rm How to pronounce confirm (audio) \
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 \ kÉ™n-​ËŒfÉ™r-​mÉ™-​ˈbi-​lÉ™-​tÄ“ How to pronounce confirmability (audio) \ noun
confirmable \ kÉ™n-​ˈfÉ™r-​mÉ™-​bÉ™l How to pronounce confirmable (audio) \ 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.
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Recent Examples on the Web

 At the conference, LucasFilm head Kathleen Kennedy said that the shows that premiere on the streaming service will be of the same high quality as the Star Wars movies, and a trailer for The Mandalorian seemed to confirm that. — Eliana Dockterman, Time, "May the Force Be With the Small Screen: An Obi-Wan Kenobi TV Show Is Happening," 24 Aug. 2019 Trakas said this is a good tool to confirm or deny a complaint dealing with water flow. — Laura Bednar, cleveland.com, "Independence works to rectify flooding complaints throughout the city," 24 Aug. 2019 In particular, Sokol reports for the Times, researchers are hoping to confirm whether the disorder is limited to several counties along the state’s Gulf Coast or indicative of a more widespread problem. — Meilan Solly, Smithsonian, "Florida Authorities Investigate a Disorder Affecting Panthers’ Ability to Walk," 24 Aug. 2019 Read the fine print at the bottom to confirm their policy on tipping and service charges. — Scott Mcmurren, Anchorage Daily News, "Everyone’s got their go-to Seattle spots. Here are a few more.," 24 Aug. 2019 Tests are planned to confirm that hypothesis, but in the meantime, another docking attempt will be delayed until overnight Sunday at the earliest. — William Harwood, CBS News, "Unpiloted Soyuz spacecraft aborts space station docking," 24 Aug. 2019 Right now district leaders are predicting that the origins will be hard to confirm given that the post was not originally uploaded online. — Tanya A. Christian, Essence, "'No Black People Policy' Makes Rounds At Sacramento-Area High School," 23 Aug. 2019 In the latest event in this lengthy saga, Inter took to their official website to confirm that Icardi will wear the number seven shirt, with new signing Romelu Lukaku taking the number nine. — SI.com, "Mauro Icardi Handed Number 7 Shirt at Inter as AC Milan & Juventus Plot Bids," 23 Aug. 2019 Call 860-763-7428 to confirm your reservation by noon the day before and leave a message. — courant.com, "Community News For The Enfield Edition," 22 Aug. 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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First Known Use of confirm

13th century, in the meaning defined at sense 1

History and Etymology for confirm

Middle English, from Anglo-French cunfermer, from Latin confirmare, from com- + firmare to make firm, from firmus firm

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More Definitions for confirm

confirm

verb
How to pronounce confirm (audio)

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 | \ kÉ™n-ˈfÉ™rm How to pronounce confirm (audio) \
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.
3 : approve sense 2, accept Senators confirmed the treaty.
4 : to perform a ceremony admitting a person into a church or synagogue

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