“Difficult, as a problem” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.KNOTTY is the answer to the New York Times crossword clue “Difficult, as a problem”. It was last seen in the puzzle of October 21, 2026, where it runs at 64 Across and fills 6 squares. It crosses 6 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.