This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Not draped.

Not draped; not arranged in folds pleasing to the eye, or so as to hang artistically; also, not covered with drapery; not clothed; nude: as, an undraped statue.

adj. stripped of drapery

adj. lacking drapery or draperies

" Bright windows stood undraped to the passing quill, and comfortable scenes of families at their business leaked out and warmed the chilly evening."

undraped    undrapes   

expose    uncover