NAGGING
Set to 4 different clues across 4 published puzzles, most often “Shrew's activity” — The New York Times, Tuesday, 29 August 2006.
7 letters
Every clue on record, most used first
- Shrew's activityonce
The New York Times — Tuesday, 29 August 2006
- Like some injuriesonce
The New York Times — Saturday, 29 October 2005
- Persistent, as a backacheonce
The New York Times — Tuesday, 4 March 2003
- Like some doubtsonce
The New York Times — Sunday, 7 March 1999