AGGRAVATOR
Set to 2 different clues across 2 published puzzles, most often “Source of unrest” — The New York Times, Sunday, 5 June 2005.
10 letters
Every clue on record, most used first
- Source of unrestonce
The New York Times — Sunday, 5 June 2005
- It's not making things betteronce
The New York Times — Saturday, 30 June 2001