unpicturesque
adjective
un·pic·tur·esque ˌən-ˌpik-chə-ˈresk 
: not charming or quaint in appearance : not picturesque
His looks were starched, but his white neckerchief was not, and its long limp ends straggled over his closely-buttoned waistcoat in a very uncouth and unpicturesque fashion.
Charles Dickens
Charles Dickens
Word History
First Known Use
1775, in the meaning defined above