1
: one that hacks
2
: a person who is inexperienced or unskilled at a particular activity
a tennis hacker
3
: an expert at programming and solving problems with a computer
4
: a person who illegally gains access to and sometimes tampers with information in a computer system
Examples of hacker in a Sentence
My friends and I have been playing golf for years, but we're still just a bunch of hackers.
the company's security experts spent days trying to figure out how a hacker could have gotten past the firewall
Recent Examples on the Web
How hackers exploit these routers Many recent infections stem from devices with remote administration exposed to the internet.
—
Kurt Knutsson, FOXNews.com, 26 May 2025
Perhaps most notable about the agencies’ accusations is that the hackers targeted 10,000 security cameras in countries bordering Ukraine, including at border crossings, military facilities, and train stations.
—Andy Greenberg, Wired News, 24 May 2025
The hackers stole customer data by bribing Coinbase’s overseas support agents with cash payments for access.
—Michael Kan, PC Magazine, 21 May 2025
One of the hacker groups being investigated for the M&S attack is known as Scattered Spider.
—Eshe Nelson, New York Times, 21 May 2025
See All Example Sentences for hacker
Examples are automatically compiled from online sources to
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Kurt Knutsson, FOXNews.com, 26 May 2025
Perhaps most notable about the agencies’ accusations is that the hackers targeted 10,000 security cameras in countries bordering Ukraine, including at border crossings, military facilities, and train stations.
—Andy Greenberg, Wired News, 24 May 2025
The hackers stole customer data by bribing Coinbase’s overseas support agents with cash payments for access.
—Michael Kan, PC Magazine, 21 May 2025
One of the hacker groups being investigated for the M&S attack is known as Scattered Spider.
—Eshe Nelson, New York Times, 21 May 2025
See All Example Sentences for hacker
Cite this Entry
“Hacker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hacker. Accessed 9 Jun. 2025.
Copy CitationKids Definition
hacker
noun
hack·er
ˈhak-ər 
1
: one that hacks
2
: a person who is unskilled at a particular activity
3
: an expert at programming and solving problems with a computer
4
: a person who illegally gains access to a computer system
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