The clue "harden" last appeared in the New York Times crossword on August 20, 2023. The correct answer for this puzzle is "SET", a 3-letter word.
Solution ENURE is our most searched for solution by our visitors. Solution ENURE is 5 letters long. We have 24 further solutions of the same word length.
There are 223 solutions. The longest is UNSENTIMENTAL with 13 letters, and the shortest is HH with 2 letters.
Correct, clue "HARDEN" is currently one of the top traffic spikes (detected on 05 Dec 2025). Clearly, many find it tricky to solve!
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Solutions are between 2 and 13 letters long.
| Clue | Answer |
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| Become less sympathetic (6) | |
| Get tough (6) | |