cyberspace
noun
cy·ber·space
ˈsī-bər-ˌspās 
: the online world of computer networks and especially the Internet
Examples of cyberspace in a Sentence
We send e-mails through cyberspace.
Recent Examples on the Web
The Time To Act Is Now Salt Typhoon is a declaration from Beijing that the battle for cyberspace is global, relentless and deeply tied to national defense.
—
Emil Sayegh, Forbes.com, 30 Aug. 2025
The same tactics are creeping into cyberspace.
—Stephen Townley, MSNBC Newsweek, 29 Aug. 2025
The message was meant to intimidate and was an illustration that 21st-century war is waged not just on land, sea and air but also in cyberspace and the reaches of outer space.
—Dave Smith, Fortune, 18 Aug. 2025
China’s cyberspace watchdog and industry ministry have since summoned the American chip giant over the security concerns and urged firms to avoid H20 chips, a development which was previously reported by Bloomberg.
—John Liu, CNN Money, 17 Aug. 2025
See All Example Sentences for cyberspace
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Emil Sayegh, Forbes.com, 30 Aug. 2025
The same tactics are creeping into cyberspace.
—Stephen Townley, MSNBC Newsweek, 29 Aug. 2025
The message was meant to intimidate and was an illustration that 21st-century war is waged not just on land, sea and air but also in cyberspace and the reaches of outer space.
—Dave Smith, Fortune, 18 Aug. 2025
China’s cyberspace watchdog and industry ministry have since summoned the American chip giant over the security concerns and urged firms to avoid H20 chips, a development which was previously reported by Bloomberg.
—John Liu, CNN Money, 17 Aug. 2025
See All Example Sentences for cyberspace
Cite this Entry
“Cyberspace.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cyberspace. Accessed 6 Sep. 2025.
Copy CitationKids Definition
cyberspace
noun
cy·ber·space
ˈsī-bər-ˌspās
: the online world of computer networks
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