in·del·i·cate /-lɪkət/
  (a.)下流的,無教養的,卑鄙的,不雅的
  In·del·i·cate a.  Not delicate; wanting delicacy; offensive to good manners, or to purity of mind; coarse; rude; as, an indelicate word or suggestion; indelicate behavior. --Macaulay. -- In*del*i*cate*ly, adv.
  Syn: -- Indecorous; unbecoming; unseemly; rude; coarse; broad; impolite; gross; indecent; offensive; improper; unchaste; impure; unrefined.
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  indelicate
       adj 1: in violation of good taste even verging on the indecent; "an
              indelicate remark"; "an off-color joke" [syn: off-color,
               off-colour]
       2: lacking propriety and good taste in manners and conduct;
          "indecorous behavior" [syn: indecorous] [ant: decorous]
       3: verging on the indecent; "an indelicate proposition"