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communication

American  
[kuh-myoo-ni-key-shuhn] / kəˌmyu nɪˈkeɪ ʃən /

noun

  1. the act or process of communicating; fact of being communicated.

  2. the imparting or interchange of thoughts, opinions, or information by speech, writing, or signs.

  3. something imparted, interchanged, or transmitted.

  4. a document or message imparting news, views, information, etc.

  5. passage, or an opportunity or means of passage, between places.

  6. communications,

    1. means of sending messages, orders, etc., including telephone, telegraph, radio, and television.

    2. routes and transportation for moving troops and supplies from a base to an area of operations.

  7. Biology.

    1. activity by one organism that changes or has the potential to change the behavior of other organisms.

    2. transfer of information from one cell or molecule to another, as by chemical or electrical signals.


communication British  
/ kəˌmjuːnɪˈkeɪʃən /

noun

  1. the act or an instance of communicating; the imparting or exchange of information, ideas, or feelings

  2. something communicated, such as a message, letter, or telephone call

    1. (usually plural; sometimes functioning as singular) the study of ways in which human beings communicate, including speech, gesture, telecommunication systems, publishing and broadcasting media, etc

    2. ( as modifier )

      communication theory

  3. a connecting route, passage, or link

  4. (plural) military the system of routes and facilities by which forces, supplies, etc, are moved up to or within an area of operations

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Etymology

Origin of communication

First recorded in 1375–1425; Middle English communicacioun, from Middle French, from Latin commūnicātiōn-, stem of commūnicātiō, equivalent to commūnicāt(us) ( see communicate) + -iō -ion

Explanation

Good communication is at the heart of good relationships. Communication is the process of giving information or ideas to someone, as by using words, actions, or sounds. In the plural form, communications has a few specialized meanings: a field of study, a profession, or a system involving the sending of information to people by the use of technology such as radio or satellite. In these senses, communications can be used with a singular or plural verb. The noun communication is from Latin communicare "to share, participate" (from communis "common") plus the suffix –ion "an act or process."

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Vocabulary lists containing communication

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"We are looking at direct evidence of large-scale arms trading. This discovery reveals a network of exchange and communication that was far more complex than previously thought," he said.

From Science Daily • Jun. 8, 2026

"There is also communication, health, posting on Instagram, putting information out there, education."

From BBC • Jun. 7, 2026

To be sure, there is a legitimate conversation to be had about how to improve election administration — including funding, staffing, technology and public communication.

From Salon • Jun. 6, 2026

Vena notes he hasn’t had any direct communication with Trump to talk about a potential partnership with the U.S. government.

From The Wall Street Journal • Jun. 5, 2026

For a long message, the leader, assisted by the circle of sitters, guessed at words to help the communication along.

From "American Spirits" by Barb Rosenstock

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