知る 定義と意味 - メリアム・ウェブスター

KNOW Definition & Meaning - Merriam-Webster Est. 1828 Dictionary Definition verb noun verb 2 verb noun 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 know 1 of 2 verb ˈnō knew ˈnü also ˈnyü ; known ˈnōn ; knowing Synonyms of know transitive verb 1 a (1) : to perceive directly : have direct cognition of (2) : to have understanding of importance of knowing oneself (3) : to recognize the nature of : discern b (1) : to recognize as being the same as something previously known (2) : to be acquainted or familiar with (3) : to have experience of 2 a : to be aware of the truth or factuality of : be convinced or certain of b : to have a practical understanding of knows how to write 3 archaic : to have sexual intercourse with intransitive verb 1 : to have knowledge 2 : to be or become cognizant — sometimes used interjectionally with you especially as a filler in informal speech knower ˈnō-ər noun see also: know from know 2 of 2 noun : knowledge see also: in the know Synonyms of know Relevance Verb understand See All Synonyms & Antonyms in Thesaurus Examples of know in a Sentence Verb He knows a lot about the history of the town. Do you know the answer? I don't know her name. Do you know what time it is? I don't know the words to that song. They knew a good deal about the problem. She knows the rules of the game. If you want the answer, ask someone who knows . I don't know much about art, but I know what I like. She knows that many people will not believe her. 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 . Verb Stone House is a six-story, 161-unit apartment building developed by Win, formerly known as Women in Need, with 96 units reserved for homeless families. — Kerry Burke, New York Daily News , 29 Apr. 2026 Name one limit clearly today and follow it with a simple plan so everyone knows what to expect. — Tarot.com, The Orlando Sentinel , 29 Apr. 2026 Noun Stay in the know Want Charlotte food intel like this in your inbox every day? — Charlotte Observer , 28 Apr. 2026 Sale seasons like Black Friday and Travel Tuesday are the Super Bowl for travelers in the know . — Jamie Spain, Condé Nast Traveler , 28 Apr. 2026 See All Example Sentences for know Word History Etymology Verb and Noun Middle English, from Old English cnāwan ; akin to Old High German bi chnāan to recognize, Latin gnoscere, noscere to come to know, Greek gignōskein First Known Use Verb before the 12th century, in the meaning defined at transitive sense 1a(1) Noun 1592, in the meaning defined above Time Traveler The first known use of know was before the 12th century See more words from the same century Phrases Containing know as we know it better the devil you know than the devil you don't doesn't know (any) better doesn't know what he's talking about don't I know it don't want to know getting to know have / know all the answers how should / would I know how should / would one know how / why should I / we know how would I / we know I don't know I don't know about him / her I don't know about that I don't know about you / him / her / them I don't know what the world is coming to if you know what I mean if you must know I know (it) I know what you mean I'll have you know in the know I wouldn't know know - all know best know better know better than to know different / otherwise know / feel in one's bones know for a fact know from know full well know - how know it know - it - all know no bounds know no bounds / boundaries know - nothing know - nothingism know oneself know one's limits know one's own heart / mind know one's stuff know one's way around know (someone) by name know (someone) of old know someone when know something backward and forward know something backwards know something inside and out know something inside out know something like the back of one's hand know something or someone for what it / he / she is know something when one sees it / one know the drill know the feeling know the meaning of (something) know the meaning of the word know the score know what hit one know what it is know what it means know what it's like know what one is talking about know what's best know which side one's bread is buttered on let someone know not know beans about not know one's own strength not know someone from Adam not know the first thing about not know what the world is coming to not know where someone gets off not know whether to laugh or cry old enough to know better someone doesn't know what he / she is missing to know someone is to love him / her what does one know what do you know what do you know about that what someone doesn't know can't / won't hurt him / her wouldn't you know it? you can't know you don't know you know you know something? you - know - what you know what I mean you know what they say you - know - who you'll never know you never know See More Rhymes for know beau beaux blow boe bro coe crow doe doh dough eau eaux See All Rhymes for know Browse Nearby Words knout know knowability See all Nearby Words Cite this Entry Style MLA Chicago APA Merriam-Webster “Know.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/know. Accessed 6 May. 2026. Copy Citation Kids Definition know 1 of 2 verb ˈnō knew ˈn(y)ü ; known ˈnōn ; knowing 1 a : to have understanding of know yourself b : to recognize the nature of knew them to be honest 2 a : to recognize the identity of knew me by my walk b : to be acquainted or familiar with knows the city very well 3 a : to be aware of the truth of know that the earth is round b : to have a practical understanding of knows how to write 4 : to have information or knowledge ask someone who knows 5 : to be or become aware knew about the problem knowable ˈnō-ə-bəl adjective knower ˈnō(-ə)r noun know 2 of 2 noun : the fact of knowing : knowledge More from Merriam-Webster on know Nglish: Translation of know for Spanish Speakers Last Updated: 29 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! 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