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1. Something clearly established
    
2. Property that your creditor can claim in case you default on your obligation
   "bankers are reluctant to lend without good surety";
   - security
    
3. A prisoner who is held by one party to insure that another party will meet specified terms
   - hostage
    
4. One who provides a warrant or guarantee to another
   - guarantor, warrantor, warranter
    
5. A guarantee that an obligation will be met
   - security

Derived forms: sureties

Type of: captive, cert [Brit, informal], certainty, dead cert [Brit, informal], foregone conclusion, guarantee, patron, prisoner, sponsor, supporter, sure thing, transferred possession, transferred property, warrant, warrantee, warranty

Encyclopedia: Surety