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  • lock-in
    lock-in
    noun
    an act or instance of becoming unalterable, unmovable, or rigid.
  • lock in
    lock in

    Enclose, surround, as in The ship was completely locked in ice . [c. 1400s]

Synonyms

lock-in

American  
[lok-in] / ˈlɒkˌɪn /

noun

  1. an act or instance of becoming unalterable, unmovable, or rigid.

  2. commitment, binding, or restriction.


lock-in British  

noun

  1. 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

lock in Idioms  
  1. Enclose, surround, as in The ship was completely locked in ice . [c. 1400s]

  2. Also, lock into . Fix firmly in position, commit to something. This phrase often occurs as , as in She felt she was locked in a binding agreement , or Many of the stockholders are locked into their present positions . [Mid-1900s]


Etymology

Origin of lock-in

First recorded in 1965–70; noun use of verb phrase lock in

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