[ lok-in ]
/ ˈlɒkˌɪn /


an act or instance of becoming unalterable, unmovable, or rigid.
commitment, binding, or restriction.

Origin of lock-in

First recorded in 1965–70; noun use of verb phrase lock in
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for lock-in

  • The law's supporters have been counting on a lock-in effect to make the law hard to repeal.

    The Rube Goldberg Policy Machine|Megan McArdle|October 2, 2012|DAILY BEAST
  • Lock-in is the decreased likelihood to search for, or change to, another option once an investment in something has been made.

    Don't Shack Up|David Frum|April 16, 2012|DAILY BEAST
  • To every appeal they heartlessly refused to divulge the key to the lock-in.

    Meeting of the Board|Alan Edward Nourse

British Dictionary definitions for lock-in



an illegal session of selling alcohol in a bar after the time when it should, by law, be closed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012