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1. The state of being inactive
   - inaction, inactiveness
    
2. A disposition to remain inactive or inert
   "he had to overcome his inactivity and get back to work";
   - inactiveness, inertia
    
3. Being inactive; being less active

Derived forms: inactivities

Type of: act, deed, human action, human activity, state, trait

Antonym: activeness, activity

Encyclopedia: Inactivity