- lock the barn door after the horse has bolted,
- lock up,
- lock washer,
- lock, air,
- lock, stock, and barrel,
Origin of lock-in
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.
Lock-in is the decreased likelihood to search for, or change to, another option once an investment in something has been made.
To every appeal they heartlessly refused to divulge the key to the lock-in.Meeting of the Board|Alan Edward Nourse