Unlock
Definition 1 of 4
Pro Tip 1/3
Physical Action
Use 'unlock' to describe the action of opening locked items with keys or codes. He unlocked the safe with a key.
Pro Tip 2/3
Literal Key
'Unlock' often involves a physical key or combination, not just any method of opening. She unlocked her diary and began to write.
Pro Tip 3/3
Security Focus
'Unlock' suggests removing a barrier to access something that is secured or protected. After unlocking the gate, they entered the private property.