When was this clue last seen?

This clue last appeared in the NYT Crossword on Friday, 26 December 2025.

Harden and become resistant to change

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resistanthardenbecome

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This clue appeared in the NYT Crossword on Friday, 26 December 2025. The answer OSSIFY is a 6-letter entry.

What is the answer to "Harden and become resistant to change"?: OSSIFY
How many letters is the answer to "Harden and become resistant to change"?: The answer has 6 letters.
When was this clue last seen?: This clue last appeared in the NYT Crossword crossword on Friday, 26 December 2025.
Has this crossword clue appeared before?: This appears to be a rare or unique clue.

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