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
Referred to by security experts as crime-as-a-service, this involves the developers of hacker tools and apps charging via a subscription model, like any other software developer.
—
Bernard Marr, Forbes.com, 13 June 2025
The botnet is primarily used to turn infected devices into residential proxy nodes, providing hackers with anonymous access to real home IP addresses.
—Kurt Knutsson, FOXNews.com, 12 June 2025
Iranian hackers have also intensified cyberattacks on Israel's critical infrastructure, such as water and energy systems, signaling a growing focus on cyber warfare as a key method of retaliation.
—Amir Daftari, MSNBC Newsweek, 12 June 2025
In contrast, Oval Office staff haven’t been able to monitor connections to the Starlink dish, giving them no way to stop hackers or shut down any sensitive information flowing through the terminal, according to the Post.
—Michael Kan, PC Magazine, 10 June 2025
See All Example Sentences for hacker
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Bernard Marr, Forbes.com, 13 June 2025
The botnet is primarily used to turn infected devices into residential proxy nodes, providing hackers with anonymous access to real home IP addresses.
—Kurt Knutsson, FOXNews.com, 12 June 2025
Iranian hackers have also intensified cyberattacks on Israel's critical infrastructure, such as water and energy systems, signaling a growing focus on cyber warfare as a key method of retaliation.
—Amir Daftari, MSNBC Newsweek, 12 June 2025
In contrast, Oval Office staff haven’t been able to monitor connections to the Starlink dish, giving them no way to stop hackers or shut down any sensitive information flowing through the terminal, according to the Post.
—Michael Kan, PC Magazine, 10 June 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 18 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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