Definition of "secure" in English

adjective

1. Free from attack or danger; protected.

2. Free from the danger of theft; safe.

3. Free from the risk of eavesdropping, interception or discovery; secret.

4. Free from anxiety or doubt; unafraid.

5. Firm and not likely to fail; stable.

6. Free from the risk of financial loss; reliable.

7. Confident in opinion; not entertaining, or not having reason to entertain, doubt; certain; sure; commonly used with of.

   • secure of a welcome

8. (obsolete) Overconfident; incautious; careless.

9. Certain to be achieved or gained; assured.

   • Just when victory seemed secure, they let it slip from their grasp.

verb

1. To make safe; to relieve from apprehensions of, or exposure to, danger; to guard; to protect.

2. To put beyond hazard of losing or of not receiving; to make certain; to assure; frequently with against or from, or formerly with of.

   • to secure a creditor against loss; to secure a debt by a mortgage

3. To make fast; to close or confine effectually; to render incapable of getting loose or escaping.

   • to secure a prisoner; to secure a door, or the hatches of a ship

4. To get possession of; to make oneself secure of; to acquire certainly.

   • to secure an estate

5. (transitive, obsolete) To plight or pledge.