LAX

Set to 31 different clues across 38 published puzzles, most often “Loose” — The New York Times, Thursday, 14 January 2010.

3 letters

Every clue on record, most used first

Loose4 times
The New York Times — Thursday, 14 January 2010
Careless3 times
The New York Times — Thursday, 2 December 1999
Lenient2 times
The New York Times — Tuesday, 21 October 2008
Calif. airport2 times
The New York Times — Monday, 29 April 2002
Flexible about rulesonce
The New York Times — Tuesday, 2 August 2011
Permissiveonce
The New York Times — Thursday, 9 June 2011
Far from harshonce
The New York Times — Wednesday, 16 March 2011
Poor, as securityonce
The New York Times — Sunday, 12 December 2010
Too permissiveonce
The New York Times — Monday, 11 October 2010
Flying Tiger Line hub, for shortonce
The New York Times — Thursday, 29 July 2010
Hardly firmonce
The New York Times — Saturday, 29 May 2010
Left Coast airport codeonce
The New York Times — Tuesday, 17 February 2009