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 hacker in 2010 brought out details from what was the biggest security breach of its kind in U.S military history.
—
Taylor Wilson, USA TODAY, 21 May 2024
Last year, for example, Scale provided an evaluation platform for a first-ever AI security challenge at the annual DEFCON hacker convention in Las Vegas, which tested AI models including OpenAI’s GPT-4 and was supported by the White House Office of Science, Technology, and Policy (OSTP).
—Sharon Goldman, Fortune, 21 May 2024
See all Example Sentences for hacker 
Taylor Wilson, USA TODAY, 21 May 2024
Last year, for example, Scale provided an evaluation platform for a first-ever AI security challenge at the annual DEFCON hacker convention in Las Vegas, which tested AI models including OpenAI’s GPT-4 and was supported by the White House Office of Science, Technology, and Policy (OSTP).
—Sharon Goldman, Fortune, 21 May 2024
See all Example Sentences for hacker
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hacker.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Hacker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hacker. Accessed 2 Jun. 2024.
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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