cyberspace

noun

cy·​ber·​space ˈsī-bər-ˌspās How to pronounce cyberspace (audio)
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But less planning may be needed for any Iranian response in cyberspace, and hacking operations can also be far below the threshold of war. Sean Lyngaas, CNN Money, 24 June 2025 Cyber threats The Islamic Revolutionary Guard Corps’ cyber capabilities are formidable, and the U.S. considers Iran one of its four major adversaries in cyberspace along with China, North Korea and Russia. Nick Duffy, NBC news, 23 June 2025 If those machines are compromised, the results won’t be confined to cyberspace. Frank Jonas, Forbes.com, 13 June 2025 Ethan is told, more than once, that his plan to kill the Entity will also destroy cyberspace. Alison Willmore, Vulture, 23 May 2025 See All Example Sentences for cyberspace

Word History

First Known Use

1982, in the meaning defined above

Time Traveler
The first known use of cyberspace was in 1982

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Cite this Entry

“Cyberspace.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cyberspace. Accessed 10 Jul. 2025.

Kids Definition

cyberspace

noun
cy·​ber·​space ˈsī-bər-ˌspās How to pronounce cyberspace (audio)
: the online world of computer networks

More from Merriam-Webster on cyberspace

Last Updated: - Updated example sentences
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