LEMMING

Set to 5 different clues across 5 published puzzles, most often “Not an independent thinker” — The New York Times, Sunday, 19 April 2009.

7 letters

Every clue on record, most used first

Not an independent thinkeronce
The New York Times — Sunday, 19 April 2009
Hardly an independent thinkeronce
The New York Times — Friday, 24 February 2006
Animal in a mass migrationonce
The New York Times — Monday, 4 November 2002
Victim of herd mentalityonce
The New York Times — Thursday, 28 September 2000
Animal with a herd mentalityonce
The New York Times — Wednesday, 4 February 1998