adjective

malicious

malicious, spiteful, malevolent

Someone started a malicious rumour about him.

Someone started a malicious rumor about him.

The email contained malicious software.

The email contained malicious software.

malicious ((noun)) intended to harm or upset other people He was the victim of a malicious rumor.

Synonyms: spiteful, malevolent, vicious; Antonyms: benevolent, kind

From 'malice' + the adjective-forming suffix '-ious'. Meaning 'full of malice'.

If someone or something is 'full of malice', they are 'malicious'. Often used for things like rumors or software intended to cause harm.

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