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1. The state of being physically constrained
   "dogs should be kept under constraint";
   - restraint
    
2. A device that retards something's motion
   "the car did not have proper constraints fitted";
   - restraint
    
3. The act of constraining; the threat or use of force to control the thoughts or behaviour of others
    
4. (mathematics) a condition that a solution to a problem must satisfy

Derived forms: constraints

Type of: confinement, device, restriction

Encyclopedia: Constraint