Cipher and Decipher

Cipher

Cipher verb - To determine (a value) by doing the necessary mathematical operations.

Decipher is an antonym for cipher in decode topic.

Nearby Words: ciphered, ciphering

Decipher

Decipher verb - To change (as a secret message) from code into ordinary language.
Usage example: we deciphered the hidden message to find out when we were supposed to meet

Cipher is an antonym for decipher.

Both words in one sentence

  • The protagonist of Sherlock doesn't have chronic insomnia, but tends to forgo sleep - and food - for days on end whenever he's working on a particularly difficult case; most notable in "The Blind Banker", where both he and John stay up all night trying to decipher The Book Cipher of the episode.
    Source: The Insomniac
Cite this Source
Decipher and Cipher. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/cipher/decipher
Cipher & Decipher. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/cipher/decipher>.
Decipher or Cipher. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/cipher/decipher.
Google Ngram Viewer shows how "cipher" and "decipher" have occurred on timeline