: 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
Marni Rose McFall, MSNBC Newsweek, 13 Oct. 2025
The situation echoes earlier difficulties insurers had in pricing risk for cyber threats in the 2010s, which lacked historical context and led to massive losses.
—Rachyl Jones, semafor.com, 10 Oct. 2025
Civilian resistance, infrastructure hardening, and supply chain robustness have all shown improvement, but China’s growing cyber force and orbital reconnaissance challenge every move.
—Kapil Kajal, Interesting Engineering, 8 Oct. 2025
That lack of attacks in previous years, however, has had a negative outcome — many companies now lack practical experience in responding to cyber incidents, according to McLaughlin of Nihon Cyber Defense.
—John Liu, CNN Money, 8 Oct. 2025
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Adjective
Australia later introduced its Cyber Security Act in 2024, which mandated minimum security standards for smart devices; required mandatory ransomware and cyber extortion reporting for certain businesses; and established a Cyber Incident Review Board for post-incident assessments.
—Marni Rose McFall, MSNBC Newsweek, 13 Oct. 2025
The situation echoes earlier difficulties insurers had in pricing risk for cyber threats in the 2010s, which lacked historical context and led to massive losses.
—Rachyl Jones, semafor.com, 10 Oct. 2025
Civilian resistance, infrastructure hardening, and supply chain robustness have all shown improvement, but China’s growing cyber force and orbital reconnaissance challenge every move.
—Kapil Kajal, Interesting Engineering, 8 Oct. 2025
That lack of attacks in previous years, however, has had a negative outcome — many companies now lack practical experience in responding to cyber incidents, according to McLaughlin of Nihon Cyber Defense.
—John Liu, CNN Money, 8 Oct. 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 23 Oct. 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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