Wiktionary
a. Not having been whitewashed.
Usage examples of "unwhitewashed".
Thanks to her the floors of tamped earth, the unwhitewashed mud walls, the rustic, wooden furniture they had built themĀselves were always dean, and the old chests where they kept their clothes exhaled the warm smell of basil.
Sonia was standing in dejection, looking intently out of the window, but from it she could see nothing but the unwhitewashed blank wall of the next house.
On the right hand, the blank unwhitewashed wall of a four-storied house stretched far into the court.
I never see a filthy yard that I do not want to clean it, a paling off of a fence that I do not want to put it on, an unpainted or unwhitewashed house that I do not want to pain or whitewash it, or a button off one's clothes, or a grease-spot on them or on a floor, that I do not want to call attention to it.