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noun [ C or U ] uk / ˈsaɪ.fə r/ us / ˈsaɪ.fɚ / Add to word list. another spelling of cipher. SMART Vocabulary: related words and phrases. Codes & decoding. bombe. code word. crack a code. cracker. cryptanalysis. cryptologist. cryptology. decode. decrypt. encode. encryption. passcode. QR code. scrambler. tokenize. uncoded. unscramble.
a person or group of people without power, but used by others for their own purposes, or someone who is not important: The interim government is a mere cipher for military rule. SMART Vocabulary: related words and phrases. cipher noun (NUMBER) [ C ] US old-fashioned.
The meaning of CIPHER is zero. How to use cipher in a sentence. zero; one that has no weight, worth, or influence : nonentity; a method of transforming a text in order to conceal its meaning…
Cypher definition: a variant spelling of cipher. See examples of CYPHER used in a sentence.
The meaning of CYPHER is chiefly British spelling of cipher.
Definition of cypher noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
A cypher is a message written in a secret code. Spies during World War II sometimes communicated using cyphers . If you use a cypher to send your friend a message, it may take her a while to figure out what you're trying to tell her.
A cipher is a secret code, usually one that's created using a mathematical algorithm. Sometimes the message written in code is itself called a cipher. Cipher comes from the Arabic sifr, which means "nothing" or "zero." The word came to Europe along with the Arabic numeral system.
n. 1. zero. 2. any of the Arabic numerals or figures. 3. a person or thing of no value or importance; nonentity. 4. a. a secret method of writing, as by code. b. writing done by such a method; a coded message. 5. the key to a secret method of writing.
1. a method of secret writing using substitution or transposition of letters according to a key. 2. a secret message. 3. the key to a secret message. 4. an obsolete name for zero (sense 1) 5. any of the Arabic numerals (0, 1, 2, 3, etc, to 9) or the Arabic system of numbering as a whole. 6. a person or thing of no importance; nonentity. 7.
