1. One trouble leads to another that aggravates the first
   - vicious cycle 
2. An argument that assumes that which is to be proved

Derived forms: vicious circles

Type of: positive feedback, regeneration, specious argument

Encyclopedia: Vicious circle

• negation
• negative
• negative charge
• negative chemotaxis
• negative correlation
• negative equity
• negative feedback
• negative feedback circuit
• negative identification
• negative magnetic pole
• negative muon
• negative pole
• negative reinforcer
• negative reinforcing stimulus
• negative stimulation
• negative stimulus
• negatively
• negatively charged
• negativeness
• negativism
• negativist
• negativity
• negatory
• negatron
• Negev