un·lock 
/ˌʌnˈlɑ:k/ verb
un·locks; un·locked; un·lock·ing /ˌʌnˈlɑ:k/ verb [+ obj] 1 : to open the lock on (something)
▪ Could you unlock the door for me? ▪ He unlocked the car. 2 : to find out about (something that was secret or unknown) : reveal
▪ geneticists unlocking the secrets of DNA ▪ The material's potential was unlocked only through extensive testing. 3 : to make (something) available for use
▪ How can I unlock my computer if I've forgotten the password? ▪ This class will unlock your creativity.
▪ Could you unlock the door for me? ▪ He unlocked the car.
▪ geneticists unlocking the secrets of DNA ▪ The material's potential was unlocked only through extensive testing.
▪ How can I unlock my computer if I've forgotten the password? ▪ This class will unlock your creativity.
— unlocked adjective
▪ Is the car unlocked? ▪ Leave the door unlocked.
▪ Is the car unlocked? ▪ Leave the door unlocked.
