ACID
Set to 63 different clues across 76 published puzzles, most often “Kind of rock” — The New York Times, Friday, 25 December 2009.
4 letters
Every clue on record, most used first
- Kind of rock4 times
The New York Times — Friday, 25 December 2009
- Battery fluid3 times
The New York Times — Tuesday, 24 October 2006
- LSD3 times
The New York Times — Wednesday, 15 July 1998
- Aspirin, e.g.2 times
The New York Times — Sunday, 13 July 2008
- Mordant2 times
The New York Times — Saturday, 5 April 2008
- It has a low pH2 times
The New York Times — Thursday, 19 August 2004
- Like gastric juice2 times
The New York Times — Tuesday, 27 July 2004
- Etcher's need2 times
The New York Times — Tuesday, 6 July 1999
- Tart2 times
The New York Times — Wednesday, 10 June 1998
- Lemon juice, e.g.once
The New York Times — Sunday, 19 June 2011
- Eating stuffonce
The New York Times — Saturday, 15 January 2011
- Vinegar, for oneonce
The New York Times — Sunday, 2 May 2010