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

 

malicious

 adjective
adjective
BrE BrE//məˈlɪʃəs//
 
; NAmE NAmE//məˈlɪʃəs//
 
 
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having 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. Word Origin Middle 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