"he was dressed in grey"
"the Confederate army was a vast grey"
"the little grey cells"
"gray flannel suit"
"a man with greyish hair"
"whose beard with age is hoar"
"nodded his hoary head"
"a stalwart grey figure"
"a grey area between clearly legal and strictly illegal"
"The painter decided to grey the sky"
"Her hair began to grey"