What is the answer to "Tough to solve" in the Newsday Crossword?

The answer to the Newsday Crossword clue "Tough to solve" is HARD (4 letters).

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Tough to solve Newsday Crossword Clue

Across clue · from the January 6, 2026 puzzle

Stuck on “Tough to solve” from the Newsday Crossword? Here is the verified answer:

Answer

HARD

4 letters · Across · last seen January 6, 2026

Sentry's "Stop!"4 Not very many4 Extreme anger4 Talked tediously8 Tiny bit of dust5 Lingers5 __ up (enlivens)4 Trade show, for short4 Serene4 Prepare to propose5 Pics on biceps4