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

malicious \mali"cious\, a. of. malicius, f. malicieux, fr. l.
   malitiosus. see malice.
   1. indulging or exercising malice; harboring ill will or
      enmity.
      1913 webster

            i grant him bloody, . . .
            sudden, malicious, smacking of every sin
            that has a name.                      --shak.
      1913 webster

   2. proceeding from hatred or ill will; dictated by malice;
      as, a malicious report; malicious mischief.
      1913 webster

   3. law with wicked or mischievous intentions or motives;
      wrongful and done intentionally without just cause or
      excuse; as, a malicious act.
      1913 webster

   malicious abandonment, the desertion of a wife or husband
      without just cause. --burrill.

   malicious prosecution or malicious arrest law, a wanton
      prosecution or arrest, by regular process in a civil or
      criminal proceeding, without probable cause. --bouvier.
      1913 webster

   syn: ill-disposed; evil-minded; mischievous; envious;
        malevolent; invidious; spiteful; bitter; malignant;
        rancorous; malign.
        1913 webster -- mali"ciously, adv. --
        mali"ciousness, n.
        1913 webster
see also:
malice malicious abandonment malicious prosecution malicious arrest mali"ciously mali"ciousness 

[2] : WordNet (r) 2.0

malicious
     adj 1: having the nature of or resulting from malice; "malicious
            gossip"; "took malicious pleasure in...watching me
            wince"- rudyard kipling ant: unmalicious
     2: wishing or appearing to wish evil to others; arising from
        intense ill will or hatred; "a gossipy malevolent old
        woman"; "failure made him malevolent toward those who were
        successful" syn: malevolent ant: benevolent
see also:
unmalicious malevolent benevolent 

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

52 moby thesaurus words for "malicious":
   acrid, antagonistic, antipathetic, baleful, baneful, belligerent,
   bitchy, bitter, catty, caustic, clashing, colliding, conflicting,
   cussed, deleterious, despiteful, detrimental, envious, evil,
   full of hate, green, green-eyed, harmful, hateful, hostile,
   iniquitous, invidious, jealous, malefic, maleficent, malevolent,
   malign, malignant, mean, nasty, noxious, ornery, pernicious, petty,
   poison-pen, poisonous, quarrelsome, rancorous, repugnant,
   set against, sore, spiteful, venomous, vicious, virulent,
   vitriolic, wicked

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

malicious. with bad, and unlawful motives; wicked. 

Malicious >> M Words
Malicious, definition of term: Malicious
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Malicious Misch >> M Words
Malicious Misch, definition of term: Malicious Misch
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