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Allin

decipher

verbnounattested in dialogue

  • United Kingdom//dɪˈsaɪfə(ɹ)//

To convert a code or cipher to plain text.

verb

  1. 1

    To convert a code or cipher to plain text.

  2. 2

    To read text that is almost illegible or obscure.

  3. 3

    To make sense of a complex situation.

    Truly, we need human infirmity to teach us human nature, and that to Louis had been as a sealed book; he had only seen the coloured and gilded outside: too late he had to decipher the rough and gloomy page within.

  4. 4

    To find a solution to a problem.

Etymology

As decypher, but not retaining the y from the Old French etyma of cipher (cyfre, cyffre); the i spelling tends to be preferred etymologically, being consistent with its cognates, the French déchiffrer and the Italian decifrare, and with their common ancestor, the Medieval Latin cifra, cifera, ciphra. By surface analysis, de- + cipher.

noun

  1. 1

    A decipherment; a decoding.

    I enclose a letter which I received yesterday evening from the Marques de Monsalud, containing the decipher of a letter from the King to the Comte d'Erlon. I wish that the Marques had sent the ciphered letter here […]

Forms

plural
deciphers
past tense
deciphered
past participle
deciphered
present participle
deciphering
third person singular
deciphers
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).