Definition of malicious adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//məˈlɪʃəs//
    ; NAmE NAmE//məˈlɪʃəs//
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  1. 1having or showing hatred and a desire to harm somebody or hurt their feelings synonym malevolent, spiteful malicious gossip/lies/rumours He took malicious pleasure in telling me what she had said.
  2. 2(of software or computer code) intended to damage somebody's computer or data files These are nasty pieces of malicious code such as viruses, Trojan horses and worms. malicious software/applications
  3. Word OriginMiddle English: from Old French malicios, from Latin malitiosus, from malitia, from malus ‘bad’.Extra examples Has someone been spreading malicious gossip? His observations were funny without being malicious. There is no truth whatsoever to the malicious rumours.
See the Oxford Advanced American Dictionary entry: malicious