adjective
[more ~; most ~]
not supporting either side of an argument, fight, war, etc.
not supporting one political view over another
not connected with either side involved in a war, contest, etc.
[more ~; most ~] :not expressing strong opinions or feelings
not bright or strong in color :able to go easily with other colors
technical :neither an acid nor a base
technical :not having an electrical charge
noun
plural -trals
[count] :a color that is not bright or strong :a neutral color - usually plural
[noncount] :the position of the gears in a car, truck, etc., when they do not touch each other and power from the engine does not move the wheels
[count] :a person, country, etc., that does not support either side of an argument, fight, war, etc.
US