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
The United States and other countries are apprehensive that hackers are now pilfering data to be decrypted by quantum computers within the next ten years.
—
Chuck Brooks, Forbes.com, 1 Aug. 2025
Last week Microsoft issued patches to its SharePoint Server software after Chinese hackers exploited a vulnerability, gaining access to some clients’ internal files.
—Jordan Novet, CNBC, 31 July 2025
The breach, claimed by pro-Ukraine hacker group Silent Crow and Belarusian collective Cyber Partisans, reportedly destroyed 7,000 servers and compromised 20 terabytes of data.
—Amanda Castro
hannah Parry, MSNBC Newsweek, 29 July 2025
The statement reportedly added that the cyberattack was a result of a year-long operation into Aeroflot’s IT network, with the hackers claiming 7,000 servers were destroyed.
—Greg Norman, FOXNews.com, 28 July 2025
See All Example Sentences for hacker
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Chuck Brooks, Forbes.com, 1 Aug. 2025
Last week Microsoft issued patches to its SharePoint Server software after Chinese hackers exploited a vulnerability, gaining access to some clients’ internal files.
—Jordan Novet, CNBC, 31 July 2025
The breach, claimed by pro-Ukraine hacker group Silent Crow and Belarusian collective Cyber Partisans, reportedly destroyed 7,000 servers and compromised 20 terabytes of data.
—Amanda Castro
hannah Parry, MSNBC Newsweek, 29 July 2025
The statement reportedly added that the cyberattack was a result of a year-long operation into Aeroflot’s IT network, with the hackers claiming 7,000 servers were destroyed.
—Greg Norman, FOXNews.com, 28 July 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 6 Aug. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share