[W/K] :: Nefarious

  Nefarious \Ne*fa"ri*ous\, a. [L. nefarius, fr. nefas crime,
     wrong; ne not + fas divine law; akin to fari to speak. See
     No, adv., and Fate.]
     Wicked in the extreme; abominable; iniquitous; atrociously
     villainous; execrable; detestably vile.
     [1913 Webster]
  
     Syn: Iniquitous; detestable; horrible; heinious; atrocious;
          infamous; impious. See Iniquitous.
          [1913 Webster] -- Ne*fa"ri*ous*ly, adv. --
          Ne*fa"ri*ous*ness, n.
          [1913 Webster]

  nefarious
       adj : extremely wicked; "nefarious schemes"; "a villainous plot";
             "a villainous band of thieves" [syn: villainous]

  125 Moby Thesaurus words for "nefarious":
     abject, abominable, arrant, atrocious, awful, bad, base, beastly,
     beggarly, beneath contempt, black, blamable, blameworthy, brutal,
     cheesy, contemptible, corrupt, criminal, crummy, damnable, dark,
     debased, degenerate, degraded, deplorable, depraved, despicable,
     detestable, dire, dirty, disgraceful, disgusting, dreadful,
     egregious, enormous, evil, execrable, fetid, filthy, flagitious,
     flagrant, foul, fulsome, glaring, grave, grievous, gross, hateful,
     heinous, horrible, horrid, improper, infamous, iniquitous, knavish,
     lamentable, little, loathsome, lousy, low, low-down, lumpen, mangy,
     mean, measly, miscreant, miserable, monstrous, nasty, naughty,
     noisome, notorious, obnoxious, odious, offensive, outrageous,
     paltry, peccant, perverse, petty, pitiable, pitiful, poky, poor,
     putrid, rank, regrettable, reprehensible, reprobate, reptilian,
     repulsive, rotten, sad, scabby, scandalous, schlock, scrubby,
     scruffy, scummy, scurvy, shabby, shameful, shocking, shoddy,
     sinful, small, sordid, squalid, terrible, too bad, unclean,
     unforgivable, unmentionable, unpardonable, unspeakable, unworthy,
     vicious, vile, villainous, wicked, woeful, worst, worthless,
     wretched, wrong