The dingiest room in this house was, perhaps, the little hall-cupboard at the head of the second flight of rickety stairs.
"Two Prisoners"
Thomas Nelson Page
Whereas, in fact, the multitude was the dingiest she had ever seen.
"The Lion's Share"
E. Arnold Bennett
He was quite invisible long before the sun went down, for that was the dingiest corner of the yard; when twilight came, he could not have been seen from a dozen feet away.
"Rung Ho!"
Talbot Mundy