neutral

nouns

one who does not side with any party in a war or dispute
is a type of (narrower)
a human being
"there was too much for one person to do"

adjectives

having no personal preference
"impersonal criticism"; "a neutral observer"
is derived from
having only a limited ability to react chemically; chemically inactive
"inert matter"; "an indifferent chemical in a reaction"
is derived from
not supporting or favoring either side in a war, dispute, or contest
is derived from
is similar to
not affiliated with any faction, party, or cause
possessing no distinctive quality or characteristics
antonym
antonym
is similar to
made neutral in some respect; deprived of distinctive characteristics
is similar to
not having or expressing opinions or views
having no hue
"neutral colors like black or white"
lacking distinguishing quality or characteristics
"a neutral personality that made no impression whatever"
is similar to
lacking in variety and interest
"a colorless and unimaginative person"; "a colorless description of the parade"
having no net electric charge