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cipher - definition and synonyms


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noun cipher pronunciation in British English /ˈsaɪfə(r)/
Word Forms

or cypher cipher pronunciation in British English

  1. 1
    [countable/uncountable] a secret system of writing, used for sending messages so that no one can understand them unless they know the system
    in cipher (=using a cipher): The letter was written in cipher.
  2. 2
    [countable] someone who has no power, or who is not important
    He was only a cipher.


a fashion trend in which people intentionally wear ordinary, inexpensive, widely-available clothing

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a flower or small bunch of flowers worn on the lapel of a jacket on special occasions

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