cipher

/'saifə/ Cách viết khác : (cypher) /'saifə/
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cipher

The spy carefully deciphered the coded message.

Definition

  1. Noun:

    • A secret method of writing; a code: A system for concealing the meaning of a message by replacing letters or words with other symbols.
    • A person of no influence or importance: Someone considered insignificant or without value.
    • A quantity of no importance; zero; nothing: Something that has no value or significance.
    • The symbol 0; zero: The mathematical symbol representing the absence of quantity.
    • A message written in a secret code: A communication that has been encrypted.

  2. Verb:

    • To calculate; to compute (archaic): To perform a mathematical calculation.
    • To convert ordinary language into code: To write a message using a secret system of symbols.
Examples of Usage

  • Noun:

    • The spy sent the message in an unbreakable cipher.
    • He felt like a mere cipher in the large, bureaucratic organization.
    • All their efforts amounted to cipher.
    • The number is one followed by three ciphers.
    • They intercepted a cipher but could not decode it.

  • Verb:

    • Ancient astronomers would cipher the movements of the stars.
    • You must cipher this dispatch before transmitting it.
Advanced Usage
  • "To stand for cipher": To be completely worthless or insignificant.
    • His promises stand for cipher; he never keeps them.
Variants and Related Words
  • Cypher: An alternative spelling of 'cipher'.
  • Encipher (verb): To convert a message into cipher. (Related to the verb meaning 'to code').
  • Decipher (verb): To convert a message from cipher into ordinary language; to decode.
Synonyms
  • Noun (for code): Code, cryptograph.
  • Noun (for zero): Zero, naught, nil, nothing, zilch.
  • Noun (for insignificant person): Nonentity, nobody.
Related Phrases
  • A cipher in the crowd: An anonymous, unnoticed person within a large group.
    • At the massive rally, he was just a cipher in the crowd.
Related Idioms
  • To be a mere cipher: To be a person with no power, authority, or influence.
    • The king was a mere cipher; the real power lay with his advisors.
cipher

The spy carefully deciphered the coded message.

Noun
  1. a secret method of writing
  2. a person of no influence
  3. a quantity of no importance
    • it looked like nothing I had ever seen before
    • reduced to nil all the work we had done
    • we racked up a pathetic goose egg
    • it was all for naught
    • I didn't hear zilch about it
  4. a mathematical element that when added to another number yields the same number
  5. a message written in a secret code
Verb
  1. make a mathematical calculation or computation
  2. convert ordinary language into code
    • We should encode the message for security reasons

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