WARNの定義と意味 - メリアム・ウェブスター

WARN Definition & Meaning - Merriam-Webster Est. 1828 Dictionary Definition Definition Synonyms Example Sentences Word History Phrases Containing 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 warn verb ˈwȯrn warned ; warning ; warns Synonyms of warn Simple Definition A Simple Definition is available from our Learner's Dictionary to help you understand the meaning faster. transitive verb 1 a : to give notice to beforehand especially of danger or evil b : to give admonishing advice to : counsel c : to call to one's attention : inform 2 : to order to go or stay away — often used with off intransitive verb : to give a warning warner noun Synonyms of warn Relevance alert advise See All Synonyms & Antonyms in Thesaurus Examples of warn in a Sentence I had been warned about the difficulties of the job. She warned me that the stove was still hot. “This won't be easy,” he warned . Nobody warned me about the dangers. I warned him to be careful, but he didn't listen to me. She warned us not to go too close to the fire. 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 Supreme Court on April 27 appeared divided over whether Bayer can be sued for failing to warn that the company’s Roundup weed killer may cause cancer, hearing arguments in a major case that could block thousands of lawsuits and shield the company from billions of dollars in potential liability. — Maureen Groppe, USA Today , 28 Apr. 2026 Sweeping up lots of folks Of course, geofencing can sweep up lots of completely innocent people as suspects, and critics warn that geofencing could be used by the government to spy on law-abiding citizens engaging in, among other things, lawful protests and political activity. — Nina Totenberg, NPR , 27 Apr. 2026 Weather officials warned of potentially severe thunderstorms that could bring tornadoes, strong winds and hail to several Illinois counties Monday. — Audrey Pachuta, Chicago Tribune , 27 Apr. 2026 However, the path to commercialization remains rocky; while the central government prepares to open bidding for construction and operations, officials warn of mounting skepticism from the private sector. — Mrigakshi Dixit, Interesting Engineering , 27 Apr. 2026 See All Example Sentences for warn Word History Etymology Middle English warnen, going back to Old English wearnian, warnian "to be on one's guard, make aware, put on one's guard," going back to West Germanic *warnōjan- (whence Middle Dutch waernen "to provide with, give notice of a danger," Old High German warnōn ), probably causative derivative of Germanic *wara- "cognizant, watchful" — more at ware entry 1 First Known Use before the 12th century, in the meaning defined at transitive sense 1a Time Traveler The first known use of warn was before the 12th century See more words from the same century Phrases Containing warn I have to warn you pre - warn warn off Rhymes for warn borne bourn bourne corn morn mourn porn scorn shorn sworn thorn torn See All Rhymes for warn Browse Nearby Words warm water warn warn't See all Nearby Words Cite this Entry Style MLA Chicago APA Merriam-Webster “Warn.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/warn. Accessed 30 Apr. 2026. Copy Citation Kids Definition warn verb ˈwȯ(ə)rn 1 a : to give notice to beforehand especially of danger or evil b : to give advice to : counsel 2 : to order to go or stay away warned us off their land warner noun More from Merriam-Webster on warn Nglish: Translation of warn for Spanish Speakers Last Updated: 28 Apr 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 interlocutor 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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