Definition of lock-in
1 : a demonstration in which protestors are locked 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
Keep scrolling for more
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
- We Added New Words to the Dictionary for September 2019
- 7 Words Related to "Work"
- The Parts of the Fruit: Seed, Pericarp, and More
- The Trick to Choosing 'Pawn Off' or 'Palm Off'
Ask the Editors
- On Contractions of Multiple Words
- A Look at Uncommon Onomatopoeia
- Is Singular 'They' a Better Choice?