SPORADIC
Set to 3 different clues across 3 published puzzles, most often “Not regular” — The New York Times, Friday, 22 August 2003.
8 letters
Every clue on record, most used first
- Not regularonce
The New York Times — Friday, 22 August 2003
- Isolatedonce
The New York Times — Friday, 5 April 1996
- On and offonce
The New York Times — Monday, 28 August 1995