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Definitions

malicious

[muh-lish-uhs] / məˈlɪʃ əs /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Studying the data, engineers from the company realized that some of the malicious traffic was coming from an employee’s home address.

From The Wall Street Journal • Apr. 3, 2026

The worry isn’t so much that AI will replace cybersecurity tools; rather, malicious actors will use AI to get through the security systems.

From Barron's • Mar. 27, 2026

At a previous hearing, Dewale admitted sending a malicious message via a public communications network between 19 and 23 June 2025.

From BBC • Mar. 25, 2026

Doe is also suing for malicious prosecution and intentional infliction of emotional distress, and seeks a jury trial.

From Los Angeles Times • Feb. 26, 2026

“Yep!” he says with a kind of malicious cheer.

From "Insurgent" by Veronica Roth