To unlock or unbolt a door that had been locked or bolted with a bar.
To remove an impediment that obstructs the passage of (someone or something).
To remove a prohibition.
To undo or open a lock or something locked by, for example, turning a key, or selecting a combination.
To undermine something that has control over a situation; to find a way to counter or oppose.
To make available.
To configure (a mobile phone) so that it is not bound to any particular carrier.
To obtain access to something; to meet the requirements of a security or protection system.
To disclose or reveal previously unknown knowledge or potential.
To be or become unfastened or unrestrained.
The act of unlocking something.