: 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
Frederick Melo, Twin Cities, 31 July 2025
As artificial intelligence advances, these tools have become more critical to protecting businesses against cyber and ransomware threats.
—Samantha Subin, CNBC, 30 July 2025
Includes unlimited data, 5-year price guarantee, high-performance 5G gateway, cyber security and 24/7 live interactive assistance.
—Kara McGinley, USA Today, 29 July 2025
But Clapper was referring to Russian cyber operations against election infrastructure.
—The Editors, National Review, 24 July 2025
See All Example Sentences for cyber
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Adjective
Worried that the cyber attackers might compromise sensitive data or gain access to outside systems, City Hall voluntarily cut off most of its own access to Wi-Fi and Internet services on Monday as a precautionary measure.
—Frederick Melo, Twin Cities, 31 July 2025
As artificial intelligence advances, these tools have become more critical to protecting businesses against cyber and ransomware threats.
—Samantha Subin, CNBC, 30 July 2025
Includes unlimited data, 5-year price guarantee, high-performance 5G gateway, cyber security and 24/7 live interactive assistance.
—Kara McGinley, USA Today, 29 July 2025
But Clapper was referring to Russian cyber operations against election infrastructure.
—The Editors, National Review, 24 July 2025
See All Example Sentences for cyber
Cite this Entry
“Cyber.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cyber. Accessed 4 Aug. 2025.
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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