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
Created by Eden, Moshe Zonder and Maor Kohn, written by Tony Saint and Simon Allen, and directed by Daniel Syrkin, the series stars Niv Sultan as a Mossad hacker-agent who infiltrates Tehran under a false identity, Shaun Toub, and Shila Ommi.
—
Georg Szalai, HollywoodReporter, 16 Feb. 2026
Cybersecurity researchers warn that hackers are using Hugging Face, a popular platform for sharing artificial intelligence (AI) tools, to spread dangerous Android malware.
—Kurt Knutsson, FOXNews.com, 14 Feb. 2026
Dozens of photos included in the documents released Wednesday are military handbooks, field guides and cultural texts, some dating back to the early 2000s that appeared to belong to Gingles, as well as numerous books from the SANS Institute detailing computer hacker tools.
—Shira Moolten, Sun Sentinel, 13 Feb. 2026
Their investigation showed that the hacker gained access on June 13, nearly a month prior to their knowledge.
—Mike Sullivan, CBS News, 13 Feb. 2026
See All Example Sentences for hacker
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Georg Szalai, HollywoodReporter, 16 Feb. 2026
Cybersecurity researchers warn that hackers are using Hugging Face, a popular platform for sharing artificial intelligence (AI) tools, to spread dangerous Android malware.
—Kurt Knutsson, FOXNews.com, 14 Feb. 2026
Dozens of photos included in the documents released Wednesday are military handbooks, field guides and cultural texts, some dating back to the early 2000s that appeared to belong to Gingles, as well as numerous books from the SANS Institute detailing computer hacker tools.
—Shira Moolten, Sun Sentinel, 13 Feb. 2026
Their investigation showed that the hacker gained access on June 13, nearly a month prior to their knowledge.
—Mike Sullivan, CBS News, 13 Feb. 2026
See All Example Sentences for hacker
Cite this Entry
“Hacker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hacker. Accessed 19 Feb. 2026.
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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