Synonym of RIBALD

Answer: Option A

Vulgar : lacking sophistication or good taste.
Attractive : pleasing or appealing to the senses.
Refined : with impurities or unwanted elements having been removed by processing.
Indifferent : having no particular interest or sympathy; unconcerned.
Ribald : referring to sexual matters in an amusingly coarse or irreverent way.

Synonym of Ribald is Vulgar