Security - Definition

n 1: the state of being free from danger or injury; "we support
the armed services in the name of national security" [ant:
insecurity]
2: defense against financial failure; financial independence;
"his pension gave him security in his old age"; "insurance
provided protection against loss of wages due to illness"
[syn: security, protection]
3: freedom from anxiety or fear; "the watch dog gave her a
feeling of security"
4: a formal declaration that documents a fact of relevance to
finance and investment; the holder has a right to receive
interest or dividends; "he held several valuable securities"
[syn: security, certificate]
5: property that your creditor can claim in case you default on
your obligation; "bankers are reluctant to lend without good
security" [syn: security, surety]
6: a department responsible for the security of the
institution's property and workers; "the head of security was
a former policeman" [syn: security, security department]
7: a guarantee that an obligation will be met [syn: security,
surety]
8: an electrical device that sets off an alarm when someone
tries to break in [syn: security system, security
measure, security]
9: measures taken as a precaution against theft or espionage or
sabotage etc.; "military security has been stepped up since
the recent uprising" [syn: security, security measures]