Noun a cipher that can't be decoded She was nothing more than a cipher. Verb were surprised by how much we had spent on the cruise after we had ciphered out the grand total. Examples are …

Cipher, any method of transforming a message to conceal its meaning. The term is also used synonymously with ciphertext or cryptogram in reference to the encrypted form of the …

CIPHER definition: 1. a system of writing that prevents most people from understanding the message: 2. a person or…. Learn more.

Definition of cipher noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

In cryptography, a cipher (or cypher) is an algorithm for performing encryption or decryption —a series of well-defined steps that can be followed as a procedure.

Jul 23, 2025 · Cipher: A method or a set of rules for performing encryption or decryption of information – a step by step process. Encryption: The transformation of plaintext to the …

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. He was little more than a cipher who faithfully carried …

cipher Any cryptographic system in which arbitrary symbols (or groups of symbols) represent units of plain text of regular length, usually single letters; units of plain text are rearranged; or both, …

CIPHER definition: a secret method of writing or recording data, such as by substituting or adding letters or numbers, using specially formed symbols, or the like; code. See examples of cipher …

cipher, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary