inactive

Adjective

• not in physical motion
  • the inertia of an object at rest
    

• not active physically or mentally
  • illness forced him to live an inactive life
    
  • dreamy and inactive by nature
    

• not engaged in full-time work
  • inactive reserve
    
  • an inactive member
    

• lacking activity; lying idle or unused
  • an inactive mine
    
  • inactive accounts
    
  • inactive machinery
    

• lacking in energy or will
  • Much benevolence of the passive order may be traced to a disinclination to inflict pain upon oneself- George Meredith
    

• (of e.g. volcanos) not erupting and not extinct
  • a dormant volcano
    

• not exerting influence or change

• (military) not involved in military operations

• (pathology) not progressing or increasing; or progressing slowly

• (chemistry) not participating in a chemical reaction; chemically inert
  • desired amounts of inactive chlorine
    

Related words

• Synonyms: 
  motionless , static , still , passive , dormant , nonoperational
• Antonyms: 
  active , operational