: 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
Kevin Collier, NBC news, 3 Apr. 2026
In cyber conflict, the quiet part – gaining access, establishing persistence and preparing for deployment – typically comes first.
—William Akoto, The Conversation, 2 Apr. 2026
The plan must also explain community engagement outcomes, as well as physical and cyber security strategies.
—Hedija Spahalic, Dallas Morning News, 2 Apr. 2026
Iran also is targeting data centers with both cyber and conventional weapons, showing how important the centers have become to the economy, communications and military information security.
—ABC News, 29 Mar. 2026
See All Example Sentences for cyber
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Adjective
The cyber intrusion appeared to use similar tactics and techniques employed by a Chinese hacking effort known as Salt Typhoon, which penetrated major telecommunications providers in an unprecedented breach, according to the source with knowledge of the matter.
—Kevin Collier, NBC news, 3 Apr. 2026
In cyber conflict, the quiet part – gaining access, establishing persistence and preparing for deployment – typically comes first.
—William Akoto, The Conversation, 2 Apr. 2026
The plan must also explain community engagement outcomes, as well as physical and cyber security strategies.
—Hedija Spahalic, Dallas Morning News, 2 Apr. 2026
Iran also is targeting data centers with both cyber and conventional weapons, showing how important the centers have become to the economy, communications and military information security.
—ABC News, 29 Mar. 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 8 Apr. 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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