from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The act of communicating; transmission.
  • noun The exchange of thoughts, messages, or information, as by speech, signals, writing, or behavior.
  • noun Interpersonal rapport.
  • noun The art and technique of using words effectively to impart information or ideas.
  • noun The field of study concerned with the transmission of information by various means, such as print or broadcasting.
  • noun Any of various professions involved with the transmission of information, such as advertising, broadcasting, or journalism.
  • noun Something communicated; a message.
  • noun A means of communicating, especially.
  • noun A system, such as mail, telephone, or television, for sending and receiving messages.
  • noun A network of routes for sending messages and transporting troops and supplies.
  • noun The technology employed in transmitting messages.
  • noun Biology The transfer of information from one molecule, cell, or organism to another, as by chemical or electrical signals or by behaviors.
  • noun An opening or connecting passage between two structures.
  • noun A joining or connecting of solid fibrous structures, such as tendons and nerves.

from The Century Dictionary.

  • noun The act of communicating.
  • noun An act done in common with others; a joint transaction.
  • noun The act of imparting, conferring, or bestowing: as, the communication of secrets.
  • noun The act of sharing or participating.
  • noun Participation in the sacrament of the Lord's supper.
  • noun Interchange of thoughts, opinions, or information by speech or writing.
  • noun Association; companionship; intercourse.
  • noun Means of communicating; the way and the means of passing from place to place, as a strait or channel between seas or lakes, a road between cities or settlements, a gallery between apartments in a house or a fortification, the route by which an army communicates with its base of operations, etc.
  • noun That which is communicated or imparted; information or intelligence imparted by speech or writing; a document or message imparting information.
  • noun In rhetoric, a figure by which a speaker or writer represents his hearer or reader as participating in his sentiments, by the use of the pronoun we instead of I or you.
  • noun A communication between such persons or under such circumstances that it is not a matter of right to prove it as an admission by calling the receiver of it as a witness. Also called confidential communication.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The act or fact of communicating.
  • noun Intercourse by words, letters, or messages; interchange of thoughts or opinions, by conference or other means; conference; correspondence.
  • noun Association; company.
  • noun Means of communicating; means of passing from place to place; a connecting passage; connection.
  • noun That which is communicated or imparted; intelligence; news; a verbal or written message.
  • noun Participation in the Lord's supper.
  • noun (Rhet.) A trope, by which a speaker assumes that his hearer is a partner in his sentiments, and says we, instead of I or you.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun uncountable The concept or state of exchanging information between entities.
  • noun The potential for information exchange.
  • noun A message; the essential data transferred in an act of communication.
  • noun The body of all data transferred to one or both parties during an act of communication.
  • noun An instance of information transfer; a conversation or discourse.
  • noun A passageway or opening between two locations.
  • noun anatomy A connection between two tissues, organs, or cavities.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the activity of communicating; the activity of conveying information
  • noun something that is communicated by or to or between people or groups
  • noun a connection allowing access between persons or places


from Wiktionary, Creative Commons Attribution/Share-Alike License

Old French communicacion, from Latin commūnicātiōnem, accusative singular of commūnicātiō ("imparting, communicating"), from commūnicō ("share, impart").



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  • “The biggest problem with communication is the illusion that it has been accomplished.�?

    – George Bernard Shaw (1856-1950)

    August 28, 2007