To make safe; to relieve from apprehensions of, or exposure to, danger; to guard; to protect.
To make fast; to close or confine effectually; to render incapable of getting loose or escaping.
To get possession of; to make oneself secure of; to acquire certainly.
To put beyond hazard of losing or of not receiving; to make certain; to assure; frequently with against or from, or formerly with of.
Free from the danger of theft; safe.
Certain to be achieved or gained; assured.
Free from attack or danger; protected.
Free from the risk of eavesdropping, interception or discovery; secret.
Confident in opinion; not entertaining, or not having reason to entertain, doubt; certain; sure; commonly used with of.
Free from anxiety or doubt; unafraid.
Free from the risk of financial loss; reliable.
Firm and not likely to fail; stable.
To obtain access to something; to meet the requirements of a security or protection system.
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 undo or open a lock or something locked by, for example, turning a key, or selecting a combination.
To disclose or reveal previously unknown knowledge or potential.
To be or become unfastened or unrestrained.
The act of unlocking something.