Crack
Crack verb - To change (as a secret message) from code into ordinary language.
Usage example: the United States military used the Navajo language as a code during World War II, and the enemy never cracked it
Decode is a synonym for crack in solve topic. In some cases you can use "Decode" instead a verb "Crack", when it comes to topics like answer.
Decode
Decode verb - To change (as a secret message) from code into ordinary language.
Usage example: the agents worked into the night to decode the intercepted message from the enemy spy
Crack is a synonym for decode in decipher topic. You can use "Crack" instead a verb "Decode", if it concerns topics such as activity, solve. informal substitute
Common collocations
Cite this Source
Decode and Crack. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/crack/decode
Crack & Decode. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/crack/decode>.
Decode or Crack. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/crack/decode.
Google Ngram Viewer shows how "crack" and "decode" have occurred on timeline