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