Filed from 15 published puzzles

STERILE

Set to 14 different clues across 15 published puzzles, most often “Germ-free” — The New York Times, Monday, 8 October 2007.

7 letters

Every clue on record, most used first

  • Germ-free2 times

    The New York Times — Monday, 8 October 2007

  • Not being productiveonce

    The New York Times — Saturday, 22 November 2008

  • Unfruitfulonce

    The New York Times — Thursday, 9 March 2006

  • Barrenonce

    The New York Times — Saturday, 17 September 2005

  • Germlessonce

    The New York Times — Monday, 6 September 2004

  • Unproductiveonce

    The New York Times — Thursday, 26 November 1998

  • Unyieldingonce

    The New York Times — Saturday, 11 July 1998

  • Like a muleonce

    The New York Times — Sunday, 13 July 1997

  • Lacking originalityonce

    The New York Times — Saturday, 30 November 1996

  • Free of germsonce

    The New York Times — Monday, 6 May 1996

  • Hospital-cleanonce

    The New York Times — Wednesday, 12 October 1994

  • More than cleanonce

    The New York Times — Sunday, 26 June 1994

Other answers to these clues