Definition of cipher in English:
1A secret or disguised way of writing; a code: he was writing cryptic notes in a cipher the information may be given in cipher
More example sentences
- The enciphering and deciphering of messages in secret code or cipher is called cryptology.
- Wilkins worked on codes and ciphers, publishing his work in 1641.
- She was transferred to work on coding and cyphers supervised by Bletchley Park.
1.1A thing written in a cipher.
- An equivalent way of writing the same cipher is shown in the diagram.
- The English language uses letters with varying frequencies, allowing code-breakers to calculate which ciphers represent which letters.
- And why are they targeting me with their runes, signs and ciphers?
1.2A key to such a cipher.
- A Second World War code cipher book won't help!
2.1A person or thing of no importance, especially a person who does the bidding of others and seems to have no will of their own.
- Governors have become mere cyphers for the decision-makers - often people with little or no practical experience of the problems faced by prison administrations.
- Astrid throughout remains a mere cipher, a beautiful woman with a crooked smile whom the narrator met while he was a student.
- She challenges the assumption that actors are mere ciphers channeling the influence of directors and writers.
- Her Majesty's wishes were that it should be replaced with a Colour bearing the cypher of the Sovereign of the day.
- Among the drawings are masterpieces by Rex Whistler, whom the Queen Mother also commissioned to design a new royal cipher.
- The badge of the Wiltshire's was a combination of the Maltese Cross and the Duke of Edinburgh's coronet and cipher.
verbBack to top
1 [with object] Put (a message) into secret writing; encode.
- With a black calligraphy pen, each word had been carefully ciphered in a Gothic style.
- It became a vital tool for the Nazis during World War II who used it to cipher and decipher secret messages.
- The encryption keys are sent over dedicated links, and the messages ciphered with those keys are transmitted over the Internet.
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