“Dangerous additive in old paint” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.LEAD is the answer to the New York Times crossword clue “Dangerous additive in old paint”. It was last seen in the puzzle of September 21, 2025, where it runs at 109 Across and fills 4 squares. It crosses 4 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.