1. Not firmly fastened or secured
   "an unlocked room";
   - unbarred, unbolted, unlatched, unsecured
    
2. (mobile phones) not restricted to a specific service provider or network
   "She bought an unlocked phone that works with any carrier"

1. Open the lock of
   "unlock the door"
    
2. Become unlocked
   "The door unlocked from the inside"
    
3. Make (something) available for use, access, or understanding
   "The new software update unlocks additional features"; "The study unlocked new insights into the disease's progression"

See also: unfastened

Type of: disengage, open, open up

Antonym: lock

Encyclopedia: Unlocked