in·de·cent /-sṇt/
  (a.)下流的,不妥當的
  In·de·cent a.  Not decent; unfit to be seen or heard; offensive to modesty and delicacy; as, indecent language.
  Syn: -- Unbecoming; indecorous; indelicate; unseemly; immodest; gross; shameful; impure; improper; obscene; filthy.
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  indecent
       adj 1: not in keeping with accepted standards of what is right or
              proper in polite society; "was buried with indecent
              haste"; "indecorous behavior"; "language unbecoming to
              a lady"; "unseemly to use profanity"; "moved to curb
              their untoward ribaldry" [syn: indecorous, unbecoming,
               uncomely, unseemly, untoward]
       2: offensive to good taste especially in sexual matters; "an
          earthy but not indecent story"; "an indecent gesture"
          [ant: decent]
       3: offending against sexual mores in conduct or appearance; "a
          bathing suit considered indecent by local standards"