C c


    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [sahy-fer]
    • /ˈsaɪ fər/
    • /ˈsaɪ.fər/
    • US Pronunciation
    • US IPA
    • [sahy-fer]
    • /ˈsaɪ fər/

Definitions of cipher word

  • countable noun cipher A cipher is a secret system of writing that you use to send messages. 3
  • countable noun cipher If you describe someone as a cipher, you mean that they have no power and are used by other people to achieve a particular purpose. 3
  • noun cipher a method of secret writing using substitution or transposition of letters according to a key 3
  • noun cipher a secret message 3
  • noun cipher the key to a secret message 3
  • noun cipher any of the Arabic numerals (0, 1, 2, 3, etc, to 9) or the Arabic system of numbering as a whole 3

Information block about the term

Origin of cipher

First appearance:

before 1350
One of the 20% oldest English words
1350-1400; Middle English siphre < Medieval Latin ciphra < Arabic ṣifr empty, zero; translation of Sanskrit śūnyā empty

Historical Comparancy

Parts of speech for Cipher


cipher popularity

A common word. It’s meaning is known to most children of preschool age. About 95% of English native speakers know the meaning and use the word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

cipher usage trend in Literature

This diagram is provided by Google Ngram Viewer

Synonyms for cipher

verb cipher

  • count — A Count is a European nobleman with the same rank as an English earl.
  • resolve — to come to a definite or earnest decision about; determine (to do something): I have resolved that I shall live to the full.
  • compute — To compute a quantity or number means to calculate it.
  • calculate — If you calculate a number or amount, you discover it from information that you already have, by using arithmetic, mathematics, or a special machine.
  • figure — a numerical symbol, especially an Arabic numeral.

adjective cipher

noun cipher

  • code — A code is a set of rules about how people should behave or about how something must be done.
  • symbols — something used for or regarded as representing something else; a material object representing something, often something immaterial; emblem, token, or sign.
  • cryptograph — something written in code or cipher
  • cryptogram — a secret symbol
  • nobody — a person of no importance, influence, or power.

Antonyms for cipher

verb cipher

  • guess — to arrive at or commit oneself to an opinion about (something) without having sufficient evidence to support the opinion fully: to guess a person's weight.
  • question — a sentence in an interrogative form, addressed to someone in order to get information in reply.
  • wonder — to think or speculate curiously: to wonder about the origin of the solar system.
  • code — A code is a set of rules about how people should behave or about how something must be done.

Top questions with cipher

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See also

Matching words

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