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

Contemporary Examples of lock-in

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

    The Daily Beast logo
    The Rube Goldberg Policy Machine

    Megan McArdle

    October 2, 2012

  • Lock-in is the decreased likelihood to search for, or change to, another option once an investment in something has been made.

    The Daily Beast logo
    Don't Shack Up

    David Frum

    April 16, 2012

Historical Examples of lock-in

  • 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