PREVENTの定義と意味 - メリアム・ウェブスター

PREVENT 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 More from M-W Show more Show more Citation Kids More from M-W Save Word To save this word, you'll need to log in. Log In prevent verb pre·​vent pri-ˈvent prevented ; preventing ; prevents Synonyms of prevent transitive verb 1 : to keep from happening or existing steps to prevent war 2 : to hold or keep back : hinder , stop — often used with from 3 : to deprive of power or hope of acting or succeeding 4 archaic a : to be in readiness for (something, such as an occasion) b : to meet or satisfy in advance c : to act ahead of d : to go or arrive before intransitive verb : to interpose an obstacle preventability pri-ˌven-tə-ˈbi-lə-tē noun preventable adjective or less commonly preventible pri-ˈven-tə-bəl preventer noun Synonyms of prevent Relevance avert preclude avoid See All Synonyms & Antonyms in Thesaurus Choose the Right Synonym for prevent prevent , anticipate , forestall mean to deal with beforehand. prevent implies taking advance measures against something possible or probable. measures taken to prevent leaks anticipate may imply merely getting ahead of another by being a precursor or forerunner or it may imply checking another's intention by acting first. anticipated the question by making a statement forestall implies a getting ahead so as to stop or interrupt something in its course. hoped to forestall the sale Examples of prevent in a Sentence Seatbelts in cars often prevent serious injuries. Can exercise and a healthy diet prevent heart disease? The accident could have been prevented . He grabbed my arm to prevent me from falling. Bad weather prevented us from leaving. How are you going to prevent him from finding out about the party? See More 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 . The project drew ire from architecture and historical preservation groups, one of which sued the administration to prevent construction. — Rachel Treisman, NPR , 4 May 2026 But where a tugboat provides thrust to keep boats moving, the Guide Mobi uses sensors to prevent the cars from going the wrong way. — Tim Stevens, ArsTechnica , 4 May 2026 Goalkeeper Jordan Pickford was third in the league for ‘goals prevented ’, a metric that compares how many goals a goalkeeper actually conceded against the number they were expected to. — Mark Carey, New York Times , 4 May 2026 The state’s goal is for 95% of kids to be vaccinated — a level that’s considered high enough to prevent the spread of infectious diseases and to protect those who cannot be vaccinated. — Lisa Schencker, Chicago Tribune , 4 May 2026 See All Example Sentences for prevent Word History Etymology Middle English, to anticipate, from Latin praeventus , past participle of praevenire to come before, anticipate, forestall, from prae- + venire to come — more at come First Known Use 15th century, in the meaning defined at sense 4c Time Traveler The first known use of prevent was in the 15th century See more words from the same century Rhymes for prevent accent advent ascent assent augment cement consent dement descent detent dissent event See All Rhymes for prevent Browse Nearby Words prevenient grace prevent preventability See all Nearby Words Cite this Entry Style MLA Chicago APA Merriam-Webster “Prevent.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/prevent. Accessed 6 May. 2026. Copy Citation Kids Definition prevent verb pre·​vent pri-ˈvent 1 : to keep from happening prevent accidents 2 : to hold or keep back : hinder , stop bad weather prevented us from leaving preventable adjective also preventible -ə-bəl More from Merriam-Webster on prevent Nglish: Translation of prevent for Spanish Speakers Last Updated: 5 May 2026 - Updated example sentences Love words? Need even more definitions? Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Merriam-Webster unabridged More from Merriam-Webster Word of the Day augur See Definitions and Examples » Get Word of the Day daily email! Popular in Grammar & Usage See More More Commonly Mispronounced Words 5 Verbal Slip Ups and Language Mistakes Is that lie 'bald-faced' or 'bold-faced'? The Difference Between 'i.e.' and 'e.g.' Why is '-ed' sometimes pronounced at the end of a word? 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