“Opposite of hilly” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.FLAT is the answer to the New York Times crossword clue “Opposite of hilly”. It was last seen in the puzzle of January 5, 2026, where it runs at 36 Down 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.