[1] : The Collaborative International Dictionary of English v.0.48

malefactor \mal`efac"tor\, n. l., fr. malefacere to do evil;
   male ill, evil + facere to do. see malice, and fact.
   1. an evil doer; one who commits a crime; one subject to
      public prosecution and punishment; a criminal.
      1913 webster

   2. one who does wrong by injuring another, although not a
      criminal. opposite of benefactor. --h. brooke. --fuller.
      "malefactors of great wealth." 1913 webster +pjc

   syn: evil doer; criminal; culprit; felon; convict.
        1913 webster
see also:
malice fact benefactor 

[2] : WordNet (r) 2.0

malefactor
     n : someone who has committed or been legally convicted of a
         crime syn: criminal, felon, crook, outlaw
see also:
criminal felon crook outlaw 

[3] : Moby Thesaurus II by Grady Ward, 1.0

35 moby thesaurus words for "malefactor":
   bad person, blackguard, criminal, crook, culprit, deceiver,
   delinquent, evil man, evil person, evildoer, felon, gangster,
   knave, lawbreaker, malevolent, malfeasant, malfeasor, miscreant,
   misdemeanant, misdemeanist, misfeasor, mobster, offender, outlaw,
   public enemy, racketeer, rascal, rogue, scoundrel, sinner, thief,
   transgressor, villain, worker of ill, wrongdoer

[4] : Bouvier's Law Dictionary, Revised 6th Ed (1856)

malefactor. he who bas been guilty of some crime; in another sense, one who 
has been convicted of having committed a crime. 

[5] : THE DEVIL'S DICTIONARY ((C)1911 Released April 15 1993)

malefactor, n.  the chief factor in the progress of the human race.

Malefactor >> M Words
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