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English - English (Wordnet) dictionary (also found in English - Vietnamese, )
security
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Noun
  • measures taken as a precaution against theft or espionage or sabotage etc.
    • military security has been stepped up since the recent uprising
  • an electrical device that sets off an alarm when someone tries to break in
  • a guarantee that an obligation will be met
  • a department responsible for the security of the institution's property and workers
    • the head of security was a former policeman
  • property that your creditor can claim in case you default on your obligation
    • bankers are reluctant to lend without good security
  • 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
  • freedom from anxiety or fear
    • the watch dog gave her a feeling of security
  • 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
  • the state of being free from danger or injury
    • we support the armed services in the name of national security
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