Possible Clues:

• Rustic forbidden to appear in a French church
• Vulgar, coarse
• “I am surprised with an ____ fear” (Titus Andronicus)
• Vulgar, unrefined
• Lacking refinement, cultivation or taste
• A French conservative youth losing the head is described as being a bit rough
• Lacking manners
• “And gentle liquids gliding all so pat in, / That not a single accent seems ____” (Byron, writing about Italian)
• Full-length intro to 'Halloween' contains nothing rude
• Lacking in manners