from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Freedom from risk or danger; safety.
  • noun Freedom from doubt, anxiety, or fear; confidence.
  • noun Something that gives or assures safety, as.
  • noun A group or department of private guards.
  • noun Measures adopted by a government to prevent espionage, sabotage, or attack.
  • noun Measures adopted, as by a business or homeowner, to prevent a crime such as burglary or assault.
  • noun Measures adopted to prevent escape.
  • noun Something deposited or given as assurance of the fulfillment of an obligation; collateral.
  • noun One who undertakes to fulfill the obligation of another; a surety.
  • noun A financial instrument, such as a stock or bond, representing rights of ownership or creditorship and often traded in secondary markets.

from The Century Dictionary.

  • noun The state of being secure.
  • noun Freedom from annoyance, harm, danger, or loss; safety.
  • noun That which secures or makes safe; protection; defense; guard.
  • noun A guaranty or pledge; something given or deposited as surety for the fulfilment of a promise or an obligation, the payment of a debt, or the like.
  • noun A person who engages or pledges himself for the performance of another's obligations; one who becomes surety for another.
  • noun An evidence of debt or of property, as a bond or a certificate of stock: as, government securities.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The condition or quality of being secure; secureness.
  • noun Freedom from apprehension, anxiety, or care; confidence of power or safety; hence, assurance; certainty.
  • noun Hence, carelessness; negligence; heedlessness.
  • noun Freedom from risk; safety.
  • noun That which secures or makes safe; protection; guard; defense.
  • noun Something given, deposited, or pledged, to make certain the fulfillment of an obligation, the performance of a contract, the payment of a debt, or the like; surety; pledge.
  • noun One who becomes surety for another, or engages himself for the performance of another's obligation.
  • noun An evidence of debt or of property, as a bond, a certificate of stock, etc..

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun uncountable The condition of not being threatened, especially physically, psychologically, emotionally, or financially.
  • noun countable Something that secures.
  • noun An organization or department responsible for providing security by enforcing laws, rules, and regulations as well as maintaining order.
  • noun law Something that secures the fulfillment of an obligation or law.
  • noun law Freedom from apprehension.
  • noun finance Proof of ownership of stocks, bonds or other investment instruments.W
  • noun finance property temporarily relinquished to guarantee repayment of a loan.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun property that your creditor can claim in case you default on your obligation
  • noun the state of being free from danger or injury
  • noun a department responsible for the security of the institution's property and workers
  • noun freedom from anxiety or fear
  • noun an electrical device that sets off an alarm when someone tries to break in
  • noun a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends
  • noun a guarantee that an obligation will be met
  • noun measures taken as a precaution against theft or espionage or sabotage etc.
  • noun defense against financial failure; financial independence


from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English securite, from Old French, from Latin sēcūritās, from sēcūrus, secure; see secure.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle English securite, from Old French (French: sécurité), from Latin securitas, from Latin securus "safe, secure".


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  • The final constitution should give effect to a progressive concept of security and should accordingly provide principled guidelines regarding the objectives of security and the interpretation of threats to security*.

    Building a United Nation 1995

  • He was not desiring territory, but protection and security to the interests of his people, _security_ to prevent the

    Lady Rosamond's Secret A Romance of Fredericton Rebecca Agatha Armour

  • Fightertrainer. com will be at the Madtown Throwdown on AUG 1st in Madison, WI. lyndeross My husband at bible study = sweet security dcsecurityjobs Have a #security clearance question?

    Gaea Times (by Simple Thoughts) Breaking News and incisive views 24/7 2009

  • There is no security adress listed at [1] and hence took the industry standard security contacts addresses secure@ and security@. secure@xxxxxxxx, secure@xxxxxxxxx, security@xxxxxxxxx security@xxxxxxxx No reply. 2009

  • After I got through security (jacket went through Xray) and was waiting to board, I reached in my pocket and realized I had a 4″ lockback knife… completely ignored by the ’security’ folks (lucky for me).

    Coyote Blog » Blog Archive » Security Theater 2008

  • He found the security office and quickly picked the ’security’ lock.

    In Darkness » Blog Archive » From the Archives: Sentinal 2007

  • "The term security no longer denotes safety for us," he added from the city's GT Hospital where his son was fighting for his life in the intensive care unit. - Telegraph online, Daily Telegraph and Sunday Telegraph 2011

  • Experience tells us that with this crew, "security" is just a code word for fear.

    January 2006 2006

  • - The term security is connected with the rule of law, freedoms, rights, peace or something that secures equality.

    Security 2008

  • SIMONE: He's thinking about January when he can go back to the ranch and just the title security and prosperity partnership, which did we get out of that?

    CNN Transcript Apr 23, 2008 2008


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  • "The woman cleared her throat.

    'Our agreements,' she said, 'regarding institutions are related to how we evaluate the threat. If, for example, there were diplomats' children, it would mean tighter security.'

    'I'm a clown,' Kasper said. 'Do I sound like a terrorist?'

    'I don't know what terrorists sound like. They say Nero loved circuses. Heliogabalus did too.'"

    - 'The Quiet Girl', Peter Høeg.

    March 18, 2008