: 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
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Ellie Cook, MSNBC Newsweek, 3 Oct. 2025
There’s also cyber and space domains that have become contested.
—Ernestine Siu, CNBC, 3 Oct. 2025
The current top three risks are cyber attacks, business interruption, and economic slowdown or recovery.
—Sheryl Estrada, Fortune, 2 Oct. 2025
Natural disasters like hurricanes or wildfires can cause cyber disruptions by taking out power lines or damaging equipment.
—Mike Hodgkinson, Big Think, 22 Sep. 2025
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Adjective
Each country has slightly different goals with their cyber attacks; North Korea, said Hannigan, has traditionally tried to use cyber operations to raise cash and lessen the strain of sanctions.
—Ellie Cook, MSNBC Newsweek, 3 Oct. 2025
There’s also cyber and space domains that have become contested.
—Ernestine Siu, CNBC, 3 Oct. 2025
The current top three risks are cyber attacks, business interruption, and economic slowdown or recovery.
—Sheryl Estrada, Fortune, 2 Oct. 2025
Natural disasters like hurricanes or wildfires can cause cyber disruptions by taking out power lines or damaging equipment.
—Mike Hodgkinson, Big Think, 22 Sep. 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 7 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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