This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Of a door, etc, not locked (with a key), or that has been unlocked.

v. Simple past tense and past participle of unlock.

Not locked.

adj. not firmly fastened or secured

"If you ask most cell phone users what they understand the term "unlocked phone" to mean, they will likely tell you that it is exactly what it says: that you can use the phone on any cell carrier anywhere."

unlocked    unlocking    unlocks   

open    open up    withdraw    disengage   

undo   

Bach    Bangkok    Bloch    Block    Brock   

flict    to    siderable    dition    arm-waving