[ lok-in ]
/ ˈlɒkˌɪn /


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

Nearby words

  1. lock the barn door after the horse has bolted,
  2. lock up,
  3. lock washer,
  4. lock, air,
  5. lock, stock, and barrel,
  6. lock-jaw,
  7. lock-step,
  8. lock-up,
  9. lockable,
  10. lockage

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