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Noun: security  si'kyûr-i-tee
  1. The state of being free from danger or injury
    "we support the armed services in the name of national security"
  2. Defence against financial failure; financial independence
    "his pension gave him security in his old age";
    - 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";
    - certificate
  5. Property that your creditor can claim in case you default on your obligation
    "bankers are reluctant to lend without good security";
    - surety
  6. A department responsible for the security of the institution's property and workers
    "the head of security was a former policeman";
    - security department
  7. A guarantee that an obligation will be met
    - surety
  8. An electrical device that sets off an alarm when someone tries to break in
    - security system, security measure
  9. Measures taken as a precaution against theft, espionage or sabotage etc.
    "military security has been stepped up since the recent uprising";
    - security measures

Derived forms: securities

Type of: assets, bravery, department, electrical device, fearlessness, guarantee, guard, instrument, legal document, legal instrument, official document, precaution, safeguard, safety, section, transferred possession, transferred property, warrant, warrantee, warranty

Antonym: insecurity

Encyclopedia: Security, Maryland