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

Example Sentences

We send e-mails through cyberspace.
Recent Examples on the Web That message is about setting enforceable rules in cyberspace: on the internet, on social media platforms like Facebook, on messaging apps, as well as to govern the latest policy challenge, artificial intelligence. Ned Temko, The Christian Science Monitor, 25 May 2023 Their struggle for dominance in cyberspace would create a doomsday machine. IEEE Spectrum, 23 May 2023 Under the new strategies, Japan plans to start deploying in 2026 long-range cruise missiles that can reach potential targets in China, nearly double its defense budget within five years to a NATO standard of about 2% of GDP from the current 1%, and improve cyberspace and intelligence capabilities. Mari Yamaguchi,, 8 Jan. 2023 Competition in cyberspace:Google ups the ante on AI to compete with ChatGPT. Jennifer Jolly, USA TODAY, 16 May 2023 It’s operated by a company called the Global Multimedia Protocol Group, which makes its money acting as the backbone of 3D cyberspace. Cecilia D'anastasio, Wired, 4 Nov. 2021 Keeping your kids safe online Awareness is the first step toward a safe and trustworthy cyberspace. Christian Jordan Howell, The Conversation, 2 May 2023 As soon as Clifford was chosen, a 10-year old tweet of him rooting for the Chicago Bears was floating around cyberspace. Emmett Prosser, Journal Sentinel, 29 Apr. 2023 One focus, Rawat said, will be improving the collaboration among platforms and sites, from land to sea to air to space to cyberspace — and from human to machine and vice versa. Susan Svrluga, Washington Post, 24 Jan. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cyberspace.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1982, in the meaning defined above

Time Traveler
The first known use of cyberspace was in 1982

Dictionary Entries Near cyberspace

Cite this Entry

“Cyberspace.” Dictionary, Merriam-Webster, Accessed 10 Jun. 2023.

Kids Definition


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

More from Merriam-Webster on cyberspace

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