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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.

Last year, security researchers found that hackers could potentially slip malicious prompts into emails sent to office workers using Microsoft 365 Copilot, an AI assistant.

From The Wall Street Journal • Jun. 2, 2026

On AI safety, the G7 countries acknowledged "certain risks" posed by AI and that it "may be misused by malicious actors", committing to "adopting an innovation-friendly approach to addressing these risks".

From Barron's • May 29, 2026

And criminal defendants who face less malicious prosecutors will not have as much luck at SCOTUS.

From Slate • May 28, 2026

Salieri is malicious and conniving, which Bettany disconcertingly says was very easy to embody.

From Los Angeles Times • May 15, 2026

I nodded and smiled back, then I realized there was something malicious in her smile.

From "The Glass Castle" by Jeannette Walls




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