“Architectural expansion” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.ANNEX is the answer to the New York Times crossword clue “Architectural expansion”. It was last seen in the puzzle of February 20, 2025, where it runs at 48 Down and fills 5 squares. It crosses 5 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.