: of, relating to, or involving computers or computer networks (such as the Internet)
the cyber marketplace
: computer : computer network
cyberspace
Examples of cyber in a Sentence
Recent Examples on the Web
Aamir Khollam, Interesting Engineering, 14 May 2026
That dynamic, Barclays believes, could force companies to spend even more aggressively on cyber security defense systems, like industry leaders CrowdStrike and Palo Alto Networks.
—Paulina Likos, CNBC, 12 May 2026
The official added that allies are increasing investments in warships, aircraft, drones, long-range missiles, as well as space and cyber capabilities, while boosting readiness and modernizing command and control.
—Efrat Lachter, FOXNews.com, 9 May 2026
Mythos is not publicly available, but comparably cyber-capable Chinese open-source models will be soon, and hackers will be able to find any holes not plugged by then.
—Tom Chivers, semafor.com, 8 May 2026
See All Example Sentences for cyber
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Adjective
The paper argues that advanced artificial intelligence will soon become one of the world’s most important geopolitical tools, shaping military power, cyber capabilities, economic growth, and global influence.
—Aamir Khollam, Interesting Engineering, 14 May 2026
That dynamic, Barclays believes, could force companies to spend even more aggressively on cyber security defense systems, like industry leaders CrowdStrike and Palo Alto Networks.
—Paulina Likos, CNBC, 12 May 2026
The official added that allies are increasing investments in warships, aircraft, drones, long-range missiles, as well as space and cyber capabilities, while boosting readiness and modernizing command and control.
—Efrat Lachter, FOXNews.com, 9 May 2026
Mythos is not publicly available, but comparably cyber-capable Chinese open-source models will be soon, and hackers will be able to find any holes not plugged by then.
—Tom Chivers, semafor.com, 8 May 2026
See All Example Sentences for cyber
Cite this Entry
“Cyber.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cyber. Accessed 16 May. 2026.
Copy CitationKids Definition
cyber
1 of 2 adjective
cy·ber
ˈsī-bər 
: relating to computers or computer networks
cyber-
2 of 2 combining form
: computer : computer network
cyberspace
Etymology
Combining form
cybernetic
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