1. Not firmly fastened or secured
   "an unlocked room"
   - unbarred, unbolted, unlatched, unsecured

1. Open the lock of
   "unlock the door" 
2. Set free or release 
3. Become unlocked
   "The door unlocked from the inside"

See also: unfastened

Type of: disengage, open, open up, withdraw

Antonym: lock

Encyclopedia: Unlock

• body hair
• body language
• body length
• body lotion
• body louse
• body mass index
• body odor
• body odour
• body of water
• body of work
• body pad
• body part
• body plethysmograph
• body politic
• body process
• body servant
• body snatcher
• body stocking
• body structure
• body substance
• body suit
• body temperature
• body type
• body waste
• body weight