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 new announcement is based on Britain's Strategic Defence Review (SDR) 2025, which states that space is now a top-tier defense area, along with land, sea, air, and cyberspace, and needs to be protected to the same degree as the others.
—
New Atlas, 13 Oct. 2025
In Legacy, Flynn gets lost within a version of cyberspace called The Grid; his son logs on to chase after him.
—David Sims, The Atlantic, 10 Oct. 2025
As if cybersecurity wasn’t challenging enough, fewer CISA employees are being asked to do more and more work protecting American cyberspace during the shutdown.
—Richard Forno, The Conversation, 7 Oct. 2025
Russia, China, Iran and North Korea are most commonly named as the main state actors threatening Western nations and their allies in cyberspace.
—Ellie Cook, MSNBC Newsweek, 3 Oct. 2025
See All Example Sentences for cyberspace
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New Atlas, 13 Oct. 2025
In Legacy, Flynn gets lost within a version of cyberspace called The Grid; his son logs on to chase after him.
—David Sims, The Atlantic, 10 Oct. 2025
As if cybersecurity wasn’t challenging enough, fewer CISA employees are being asked to do more and more work protecting American cyberspace during the shutdown.
—Richard Forno, The Conversation, 7 Oct. 2025
Russia, China, Iran and North Korea are most commonly named as the main state actors threatening Western nations and their allies in cyberspace.
—Ellie Cook, MSNBC Newsweek, 3 Oct. 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 18 Oct. 2025.
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cyberspace
noun
cy·ber·space
ˈsī-bər-ˌspās
: the online world of computer networks
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