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
Solve is a synonym for crack in answer topic. In some cases you can use "Solve" instead a verb "Crack".
Solve
Solve verb - To find an answer for through reasoning.
Usage example: it took me half an hour to solve the logic puzzle
Crack is a synonym for solve in answer topic. You can use "Crack" instead a verb "Solve", if it concerns topics such as figure out. informal substitute
Common collocations
Both words in one sentence
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Gel sees this scribble and it helps him crack a code he spent all episode trying to solve.
Source: Accidental Art -
Later, Sammy uses this information to crack open a safe in her church and solve a mystery (it used the Father's birthday).
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Scientist Aki Ross teams up with some crack commandos to try and solve the problems, while dealing with a General Ripper who wants to take a more belligerent stance.
Source: Franchise / Final Fantasy
Cite this Source
Solve and Crack. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/crack/solve
Crack & Solve. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/crack/solve>.
Solve or Crack. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/crack/solve.
Google Ngram Viewer shows how "crack" and "solve" have occurred on timeline