chaste vs off-color

chaste

adj
  • Decent, modest, morally pure. 

  • Virginal, innocent, having had no sexual experience. 

  • Abstaining from immoral or unlawful sexual intercourse. 

  • Austere, simple, undecorative. 

off-color

adj
  • Feeling mildly unwell. 

  • Dirty, vulgar or obscene, especially in a way that is unpleasant. 

  • Different than usual. 

  • Of the wrong color. 

How often have the words chaste and off-color occurred in a corpus of books? (source: Google Ngram Viewer )