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
Shoe retailers and brands selling online need to know that retail continues to be a sector that remains a key focus of cyber attacks and hackers.
—
Vicki M. Young, Footwear News, 22 Oct. 2025
Law enforcement only has resources to focus on the biggest cases, meaning the best hackers can operate for years without facing any kind of legal repercussions.
—Jesse Hyde, Rolling Stone, 21 Oct. 2025
The popular chat platform confirmed that hackers gained access to a third-party customer support provider, 5CA, exposing user data including names, email addresses, limited billing details and even government ID images.
—Kurt Knutsson, FOXNews.com, 19 Oct. 2025
Elliot is recruited by the mysterious leader of an underground group of hackers (played by Slater) to join their organization.
—Raven Brunner, PEOPLE, 19 Oct. 2025
See All Example Sentences for hacker
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Vicki M. Young, Footwear News, 22 Oct. 2025
Law enforcement only has resources to focus on the biggest cases, meaning the best hackers can operate for years without facing any kind of legal repercussions.
—Jesse Hyde, Rolling Stone, 21 Oct. 2025
The popular chat platform confirmed that hackers gained access to a third-party customer support provider, 5CA, exposing user data including names, email addresses, limited billing details and even government ID images.
—Kurt Knutsson, FOXNews.com, 19 Oct. 2025
Elliot is recruited by the mysterious leader of an underground group of hackers (played by Slater) to join their organization.
—Raven Brunner, PEOPLE, 19 Oct. 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 24 Oct. 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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