What is the answer to "Harden, as concrete" in the Newsday Crossword?

The answer to the Newsday Crossword clue "Harden, as concrete" is SET (3 letters).

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Harden, as concrete Newsday Crossword Clue

Down clue · from the August 6, 2025 puzzle

Stuck on “Harden, as concrete” from the Newsday Crossword? Here is the verified answer:

Answer

SET

3 letters · Down · last seen August 6, 2025

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