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secure server
secure tenancy
secured bond
secured credit card
securities analyst
Securities and Exchange Commission
Securities and Investment Board
securitization
security
security blanket
security clearance
Security Council
security deposit
security guard
security kernel
security of tenure
security risk
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security

se·cu·ri·ty [ sə kyrətee ] (plural se·cu·ri·ties)


noun 
Definition:
 
1. state or feeling of safety: the state or feeling of being safe and protected

2. freedom from worries of loss: the assurance that something of value will not be taken away
job security

3. something giving assurance: something that provides a sense of protection against loss, attack, or harm
the security of knowing that the vehicle has been thoroughly checked

4. safety: protection against attack from without or subversion from within
a matter of national security

5. precautions to maintain safety: precautions taken to keep somebody or something safe from crime, attack, or danger
security measures

6. guards: people or an organization entrusted with the job of protecting somebody or something, especially a building or institution, against crime
If you don't leave, I'll call security.

7. asset deposited to guarantee repayment: something pledged to guarantee fulfillment of an obligation, especially an asset guaranteeing repayment of a loan that becomes the property of the creditor if the loan is not repaid

8. guarantor: somebody who pledges to fulfill somebody else's obligation should that person fail to do so

9. financial instrument: a tradable document that shows evidence of debt or ownership, e.g. a stock certificate or bond

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