確認の定義と意味 - メリアム・ウェブスター

CONFIRM Definition & Meaning - Merriam-Webster Est. 1828 Dictionary Definition Definition Synonyms Synonym Chooser Example Sentences Word History Rhymes Entries Near Cite this Entry Citation Kids Definition Kids Legal Definition Legal More from M-W Show more Show more Citation Kids Legal More from M-W Save Word To save this word, you'll need to log in. Log In confirm verb con·​firm kən-ˈfərm confirmed ; confirming ; confirms Synonyms of confirm Simple Definition A Simple Definition is available from our Learner's Dictionary to help you understand the meaning faster. transitive verb 1 : to give approval to : ratify confirm a treaty 2 : to give new assurance of the validity of : remove doubt about by authoritative act or indisputable fact confirm a rumor confirm an order 3 : to make firm or firmer : strengthen confirm one's resolve 4 : to administer the rite of confirmation to confirmability kən-ˌfər-mə-ˈbi-lə-tē noun confirmable kən-ˈfər-mə-bəl adjective Synonyms of confirm Relevance verify argue See All Synonyms & Antonyms in Thesaurus 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 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 . This surely confirmed the colonists’ sense of their own importance. — Daniel Immerwahr, New Yorker , 4 May 2026 In a statement to The Associated Press, WHO said an investigation was underway but that at least one case of hantavirus had been confirmed . — Gerald Imray, Chicago Tribune , 3 May 2026 On Friday, Florida Attorney General James Uthmeier confirmed that a criminal probe is underway into the deaths of the sloths at Sloth World. — Natalia Jaramillo, The Orlando Sentinel , 3 May 2026 Genetic testing confirmed that Spacek did, in fact, have AIP, and further tests revealed that her mother, sister and three daughters had it as well. — Toria Sheffield, PEOPLE , 3 May 2026 See All Example Sentences for confirm Word History Etymology Middle English, from Anglo-French cunfermer , from Latin confirmare , from com- + firmare to make firm, from firmus firm First Known Use 13th century, in the meaning defined at sense 1 Time Traveler The first known use of confirm was in the 13th century See more words from the same century Rhymes for confirm affirm bookworm cutworm earthworm infirm midterm tapeworm wireworm angiosperm echinoderm berm ferm See All Rhymes for confirm Browse Nearby Words confinity confirm confirmability See all Nearby Words Cite this Entry Style MLA Chicago APA Merriam-Webster “Confirm.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/confirm. Accessed 5 May. 2026. Copy Citation Kids Definition confirm verb con·​firm kən-ˈfərm 1 : to make firm or firmer (as in habit, faith, or intention) : strengthen 2 : approve sense 2 , ratify confirm a treaty 3 : to administer confirmation to 4 : to make sure of the truth of : verify confirm a suspicion confirmable -ˈfər-mə-bəl adjective Legal Definition confirm transitive verb con·​firm 1 a : to make valid by necessary formal approval the debtor's chapter 13 plan confirmed by the court b : to vote approval of confirm a nomination 2 : to give formal acknowledgment of receipt of 3 : to remove doubt about by authoritative act or indisputable fact a consent decree confirming Capt. Brown's right to his cargo — W. G. Young More from Merriam-Webster on confirm Nglish: Translation of confirm for Spanish Speakers Last Updated: 4 May 2026 - Updated example sentences Love words? Need even more definitions? 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