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Definitions

hacker

[hak-er] / ˈhæk ər /


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.

An ethical hacker who just won major prizes at a prestigious international competition says her days of competing could be numbered due to the rise of AI tools like Claude Mythos.

From BBC • May 27, 2026

The company reported a personal data breach a few days later before, on 26 July 2022, South Staffordshire found a ransom note that the hacker had unsuccessfully attempted to send to certain members of staff.

From BBC • May 12, 2026

With a password in hand, a hacker wouldn’t be able to get in without this second code required for access.

From The Wall Street Journal • Apr. 19, 2026

It’s genuinely scary how fast this hacker finds her apartment.

From Los Angeles Times • Apr. 9, 2026

Some hacker out there thought it would be funny.

From "Warcross" by Marie Lu




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