overdefensiveness

• a word derived from defensiveness.
  defensiveness

  noun

  excessive concern with guarding against the real or imagined threat of criticism, injury to one’s ego, exposure of one’s shortcomings, etc..

More Suggestions

• overprotectiveness
• decisiveness
• defenseless
• effectiveness
• indecisiveness
• obtrusiveness
• overdependence
• overdependent
• overdetermined