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code - definition and synonyms


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noun code pronunciation in British English /kəʊd/
Word Forms
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  1. 1
    [countable/uncountable] a system of words, numbers, or signs used for sending secret messages. To put a message into code is to encode it, and to translate it back from code is to decode it
    in code: The message was written in code.
    crack/break a code (=discover how it works): She worked at Bletchley Park, where they cracked the Enigma codes.
  2. 2
    [countable] a set of rules about how something should be done or how people should behave
    Even criminals have their own code of honour.
    penal/criminal code (=the set of laws about crimes and punishment): The death penalty is no longer allowed under France’s penal code.
    code of conduct: Managers are expected to comply with the company’s code of conduct.
  3. 3
    [countable] a set of numbers or letters that gives information about something, for example by showing what it is or when it was made
    The shirt comes in eight colours, each identified by a two-letter code.
    Write the order code in this box.
    1. b.
      a set of numbers that allows you to open a lock or door or turn off an alarm
      punch in/key in/enter a code: She punched in a five-digit security code.


a meal served in the evening which consists of foods traditionally eaten at breakfast

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a company that pays its employees to write online comments in favour or against somebody or something posing as ordinary Internet users

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