neutral

Adjective

• having no net electric charge

• lacking distinguishing quality or characteristics
  • a neutral personality that made no impression whatever
    

• having no hue
  • neutral colors like black or white
    

• possessing no distinctive quality or characteristics

• not supporting or favoring either side in a war, dispute, or contest

• having only a limited ability to react chemically; chemically inactive
  • inert matter
    
  • an indifferent chemical in a reaction
    

• having no personal preference
  • impersonal criticism
    
  • a neutral observer
    

Noun

• one who does not side with any party in a war or dispute

Related words

• Synonyms: 
  electroneutral , achromatic , inert , indifferent , impersonal
• Antonyms: 
  chromatic , positive , negative