When they stepped out of the train into the still grayer gloom of Highgate, she wondered, for the first time, where he was taking her.
"Night and Day"
Virginia Woolf
His gray matter was becoming grayer with each dusk of a dying day.
"Corpus of a Siam Mosquito"
Steven Sills
He was a little grayer than before, but he was the same erect, soldierly figure; he had the same simple but commanding dignity.
"Throckmorton"
Molly Elliot Seawell