Dingy
Part of speech: adjective
Definition: drab; shabby; dirty; squalid
Dreary
Part of speech: adjective
Definition: Grievous, dire; appalling.Drab; dark, colorless, or cheerless.
Example sentence: From the top of a high rock, I obtained a good few of the most extensive and dreary wilderness I ever beheld. It chilled the heart to gaze on these barrens of Labrador. Indeed, I now dread every change of harbor, so horridly rugged and dangerous is the whole coast and country to the eye, and to the experienced man either of the sea or the land.