- unlock - open the lock of; "unlock the door"
 --1 is one way to open, open up
 Antonyms: lock
 Sample sentence:
 They want to unlock the doors
 
- unlock - set free or release
 --2 is one way to disengage, withdraw
 Sample sentences:
 Somebody ----s something
 Something ----s something
 
- unlock - become unlocked; "The door unlocked from the inside"
 --3 is one way to disengage
 Antonyms: lock
 Sample sentence:
 Something ----s
 
- unlock - become unlocked; "The door unlocked from the inside"