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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.

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

And on Wednesday, cybersecurity firm Gambit Security revealed that roughly 150 gigabytes of data were stolen from 10 Mexican government bodies and a single financial institution by a hacker using Claude and OpenAI’s ChatGPT.

From MarketWatch • Feb. 28, 2026

The French finance ministry announced on February 18 that a hacker had gained access to a national bank database and consulted information on 1.2 million accounts.

From Barron's • Feb. 27, 2026

Maybe it’s to throw the hacker Zero off my scent, because I’m so publicly exposed.

From "Warcross" by Marie Lu




Vocabulary lists containing hacker