コミュニケーションの定義と意味 - メリアム・ウェブスター

COMMUNICATION Definition & Meaning - Merriam-Webster Est. 1828 Dictionary Definition Definition Synonyms Example Sentences Word History Phrases Containing Rhymes Entries Near Related Articles Cite this Entry Citation Kids Definition Kids Medical Definition Medical Legal Definition Legal More from M-W Show more Show more Citation Kids Medical Legal More from M-W Save Word To save this word, you'll need to log in. Log In communication noun com·​mu·​ni·​ca·​tion kə-ˌmyü-nə-ˈkā-shən Synonyms of communication 1 a : the act or process of using words, sounds, signs, or behavior to express or exchange information or to express thoughts, feelings, etc., to another person the function of pheromones in insect communication nonverbal communication a breakdown in communication between members of the group We are in communication by email. b : personal rapport If a parent has not established good communication with his child prior to the pre-teen years, it may be difficult to begin. — Walter E. McDonald 2 a : information communicated : information transmitted or conveyed It was the answer to the communication of his intended marriage. — Jane Austen b : a verbal or written message The captain received an important communication . Taxpayers may also submit a written communication from the charity with the organization's name … and the amount of the contribution. — The Atlanta Journal-Constitution 3 communications plural a : a system (as of telephones or computers) for transmitting or exchanging information wireless electronic communications all communications were down b : a system of routes for moving troops, supplies, and vehicles … a campaign to force … capitulation by cutting … main river and canal communications routes. — Jonathan D. Spence c : personnel engaged in communicating : personnel engaged in transmitting or exchanging information He called the communications desk to ask for help. 4 communications plural in form but singular or plural in construction a : a technique for expressing ideas effectively (as in speech) director of communications A communications major …, he had dreamed of becoming a sportscaster … — Paul Farrel b : the technology of the transmission of information (as by print or telecommunication) … unifying multiple tools into one communications app and service … — Herald-Citizen (Cookeville, Tennessee) Within the context of NASA, optical communications technology sends data across space using lasers instead of radio frequencies. — Catherine G. Manning and Katherine Schauer 5 : an act or instance of transmitting the communication of the common cold 6 anatomy : a connection between bodily parts Surprisingly little is known about the communication between the alveolar and terminal bronchiolar surfaces … — Richard C. Boucher communicational kə-ˌmyü-nə-ˈkā-sh(ə-)nəl adjective Synonyms of communication Relevance message dispatch See All Synonyms & Antonyms in Thesaurus Examples of communication in a Sentence Communication between children in the class was not prohibited but was afforded time slots … — Jonathan Kozol , Harper's , September 2005 It's not an oral communication . It's body language, eye contact, the grinning, the little signals that go on between people. — Keith Richards , quoted in Rolling Stone , 14-28 July 1994 If the book is good and even if one is reading to oneself, what is happening is a very special sort of social event, a communication between writer and reader … — Walker Percy , "Another Message In The Bottle," in Signposts in a Strange Land , 1991 This is a secret and confidential communication which I am trusting you to answer on the sly. — Alexander Woollcott , letter , 20 Oct. 1934 Whom else had she to open her heart to? If she did not need counsel, she must need the comfort of communication . — Jane Austen , Mansfield Park , 1814 You don't talk to him, he talks at you. You scream and shout at each other, but there's no communication . — Zadie Smith , White Teeth He is studying insect communication . There was a breakdown in communication between members of the group. television and other means of mass communication Communications is a growing industry. He majored in communications in college. 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 . Cobb said that multiple District 1 residents, in the northwest quadrant of the city, became frustrated with Perkins’ level of communication with his constituents leading up to the March 2 City Council vote on the tax breaks. — Ilana Arougheti updated April 28, Kansas City Star , 28 Apr. 2026 Similarly, Garretson said, lunar surface activity is likely dependent upon orbital infrastructure to provide position, navigation and timing, communications , remote sensing, and space domain awareness. — Leonard David, Space.com , 28 Apr. 2026 In her once-easy-to-navigate social circles, communication was often even harder. — Théoden Janes, Charlotte Observer , 28 Apr. 2026 As organizations grow, the firm notes that a significant portion of inefficiency often arises from the coordination effort required across tools, updates, and communication layers. — Matt Emma, USA Today , 28 Apr. 2026 See All Example Sentences for communication Word History Etymology see communicate First Known Use 14th century, in the meaning defined at sense 1a Time Traveler The first known use of communication was in the 14th century See more words from the same century Phrases Containing communication near field communication Rhymes for communication abbreviation abomination acceleration accentuation accommodation accreditation acculturation accumulation acetylation adjudication administration adulteration See All Rhymes for communication Browse Nearby Words communicatee communication communicational See all Nearby Words Articles Related to communication ‘Incommunicado’: We Won’t Be... When you just can't talk right now. What It Means to Go ‘Radio Silent’ When you’re getting nothing but dead air Censor vs. Censure What the [bleep] is the difference? Cite this Entry Style MLA Chicago APA Merriam-Webster “Communication.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/communication. Accessed 6 May. 2026. Copy Citation Kids Definition communication noun com·​mu·​ni·​ca·​tion kə-ˌmyü-nə-ˈkā-shən 1 : an act or instance of transmitting 2 : information communicated : message received an important communication 3 : an exchange of information 4 plural a : a system (as of telephones) for sending and receiving messages b : a system of routes for moving troops, supplies, and vehicles Medical Definition communication noun com·​mu·​ni·​ca·​tion kə-ˌmyü-nə-ˈkā-shən 1 : the act or process of transmitting information (as about ideas, attitudes, emotions, or objective behavior) nonverbal interpersonal communication emotional communication between parent and child — G. S. Blum : as a : exchange of information between individuals through a common system of signs, symbols, or behavior pictorial representation is a usable channel of communication between humans and the chimpanzee the function of pheromones in insect communication b : personal rapport a lack of communication between young and old persons 2 : information communicated 3 : a connection between bodily parts an artificial communication between the esophagus and the stomach Legal Definition communication noun com·​mu·​ni·​ca·​tion kə-ˌmyü-nə-ˈkā-shən : the expression to another of information or thoughts through speech, writing, or gestures see also confidential communication , privileged communication More from Merriam-Webster on communication Nglish: Translation of communication for Spanish Speakers Britannica.com: Encyclopedia article about communication Last Updated: 29 Apr 2026 - Updated example sentences Love words? Need even more definitions? 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