Crossword clues for the word: CODEBREAKER The word CODEBREAKER has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for CODEBREAKER Showing 1 to 5 of 5 results Clue(s) Graduate of the NSA's Cryptanalysis Development Program Intelligence agency employee, and what a black square acts as in rows 3, 5, 8 and 11 One reading secret messages Successful cryptographer Unsung hero of WWII