NONAGON
Set to 4 different clues across 4 published puzzles, most often “A regular one has internal angles of 140 degrees” — The New York Times, Sunday, 30 January 2000.
7 letters
Every clue on record, most used first
- A regular one has internal angles of 140 degreesonce
The New York Times — Sunday, 30 January 2000
- Odd-shaped figureonce
The New York Times — Wednesday, 15 September 1999
- Nine-sideronce
The New York Times — Thursday, 8 June 1995
- Defective stop sign?once
The New York Times — Thursday, 16 December 1993