\ ˈläk-ˌin How to pronounce lock-in (audio) \
plural lock-ins

Definition of lock-in

1 : a demonstration in which protestors lock themselves inside a building, factory, etc. When those demands weren't met, students took over several school buildings and began a lock-in on March 11.— P. R. Lockhart
2 : a usually supervised social event for young people confined to a space (such as a library or church) often overnight Each year, students are enticed to participate in a post-prom lock-in with the promise of games, prizes, food and fun.— Jasmine Dent Franks Christian youth lock-ins aren't unusual in religious Texas, though they usually happen in churches. Every so often, a church group will leave a house of worship and rent out a mall or skating rink after normal operating hours.— Steve Jansen

First Known Use of lock-in

1920, in the meaning defined at sense 1

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The first known use of lock-in was in 1920

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Cite this Entry

“Lock-in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lock-in. Accessed 27 Nov. 2020.

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