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
While there are organizations working against common sense board reform on digital and cybersecurity governance, the hackers and boardroom leaders are winning and the status quo is losing — expensively.
—
Bob Zukis, Forbes, 9 Jan. 2025
The activist hacker group Anonymous aided Iranians in finding ways to bypass the restrictions nearly three years ago.
—Kevin Lynn, Newsweek, 8 Jan. 2025
The foundry's portfolio companies will now have access to Joyce's more than three decades of experience fighting foreign government hackers.
—Sam Sabin, Axios, 7 Jan. 2025
Late last month the U.S. Treasury reported that an unspecified number of computers had been compromised by Chinese hackers following a breach at contractor BeyondTrust, which provides cybersecurity services.
—Raphael Satter, USA TODAY, 7 Jan. 2025
See all Example Sentences for hacker 
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Bob Zukis, Forbes, 9 Jan. 2025
The activist hacker group Anonymous aided Iranians in finding ways to bypass the restrictions nearly three years ago.
—Kevin Lynn, Newsweek, 8 Jan. 2025
The foundry's portfolio companies will now have access to Joyce's more than three decades of experience fighting foreign government hackers.
—Sam Sabin, Axios, 7 Jan. 2025
Late last month the U.S. Treasury reported that an unspecified number of computers had been compromised by Chinese hackers following a breach at contractor BeyondTrust, which provides cybersecurity services.
—Raphael Satter, USA TODAY, 7 Jan. 2025
See all Example Sentences for hacker
Articles Related to hacker
Dictionary Entries Near hacker
Cite this Entry
“Hacker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hacker. Accessed 20 Jan. 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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