having no hue | of an achromatic color of any lightness intermediate between the extremes of white and black |
possessing no distinctive quality or characteristics | intermediate in character or position |
lacking distinguishing quality or characteristics | showing characteristics of age, especially having grey or white hair |
not supporting or favoring either side in a war, dispute, or contest | used to signify the Confederate forces in the American Civil War (who wore grey uniforms) |
having no personal preference | |
having no net electric charge | |
having only a limited ability to react chemically; chemically inactive | |