security (n.)

  1. the state of being free from danger or injury; we support the armed services in the name of national security'

  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: 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: certificate ]

  5. property that your creditor can claim in case you default on your obligation; bankers are reluctant to lend without good security

    [ Syn: surety ]

  6. a department responsible for the security of the institutions property and workers; the head of security was a former policeman

    [ Syn: security department ]

  7. a guarantee that an obligation will be met

    [ Syn: surety ]

  8. an electrical device that sets off an alarm when someone tries to break in

    [ Syn: security system , security measure ]

  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 measures ]

The dictionary is based on the WordNet Electronic Lexical Database.
WordNet 3.0 Copyright 2011 by Princeton University. All rights reserved.