unlockkey
nounUK /ʌnˈlɒk kiː/
US /ʌnˈlɑːk kiː/
A special key that opens a lock.
She used the unlockkey to open the treasure chest.
OTHER MEANINGS
2. A secret code that lets you get into something, like a game or a phone.
He typed the unlockkey to start the game.
3. Something that helps you understand or solve a problem.
Kindness was the unlockkey to making new friends.
4. A button or tool on a screen that frees something that was locked.
Tap the unlockkey to open the level.