Filed from 2 published puzzles

BARRIER

Set to 2 different clues across 2 published puzzles, most often “Block” — The New York Times, Friday, 1 May 2009.

7 letters

Every clue on record, most used first

  • Blockonce

    The New York Times — Friday, 1 May 2009

  • Obstacleonce

    The New York Times — Tuesday, 15 April 1997