We have found the following answers matching the query 'Difficult problem to crack' in our database: For more stats and recent usage scroll down and continue reading. Difficult problem to crack crossword clue was last seen on September 4 2025 in the popular Universal Crossword.
| Rank | Answer | Clue | Publisher |
|---|---|---|---|
| 99% | TOUGHNUT | Difficult problem to crack | Universal |
We have found the following related crossword clues from the same puzzle.
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