The internet is now a store of malicious softwares rather than the original ones.
The local market had its windows broken by malicious delinquents.
The boy was maliciously attacked by students from a rival school.
The mayor's reputation was tarnished by a false police report, which was maliciously spread by his opponent.
Libel is false and malicious use of the printed word.
David's action of deliberately inserting a paperclip into the photocopier was malicious.
that girl is so malicious because everyday she bullies kids.
The malicious hacker planted a virus in the computer system to steal sensitive information.
He often insults people and then insists he is only joking, but the malicious look in his eyes says otherwise.
There was a malicious disease spreading throughout the camp, killing many people. :) Hope that helps.
The malicious man tried to steal the old lady's glasses so she would not be able to see.
Libel
The dog had a wild, malicious look in its eyes.
The fact that he carried a knife to the party was enough to show his malicious intent. Means desire to cause harm to another, intent to cause pain.
He had a malicious tone of voice. Their attitude was extremely malicious. I can't believe how malicious their comments were! Spam is a malicious program used for stealing information about people.
The word malicious is an adjective. It means to be deliberately harmful.