cy·​ber·​space | \ ˈsī-bər-ˌspās How to pronounce cyberspace (audio) \

Definition of cyberspace

: 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 Such that the American public often forgets that DHS is there day-to-day to protect the American Homeland, and to protect the people, land, sea, and air and in cyberspace. CBS News, "Former DHS chief Jeh Johnson tells CBS News the department has become "overly politicized"," 9 Sep. 2019 The alleged data destruction demonstrates how U.S. Cyber Command is upping its retaliatory tactics in cyberspace. Robert Hackett, Fortune, "Hardware Security Keys: A Seatbelt for the Internet?—Cyber Saturday," 7 Sep. 2019 This campaign is playing out at border crossings, in cyberspace and on college campuses as far afield as Australia and the United States. Shibani Mahtani, Washington Post, "With threats and propaganda, China tries to silence support for Hong Kong protests," 6 Sep. 2019 Austin: The state is teaming with Bumble to crack down on people who send unsolicited nude images on dating apps and elsewhere in cyberspace. USA TODAY, "Cat burglar, prison bats, USS Arizona Memorial: News from around our 50 states," 4 Sep. 2019 Similarly, a Cyber Peace Accord – building from efforts such as the Paris Call and the Cybersecurity Tech Accord – could, in time, lead the international community toward greater stability in cyberspace. Scott Shackelford, The Conversation, "In a world of cyber threats, the push for cyber peace is growing," 3 Sep. 2019 Hollie Bennett, head of communication U.K. at CD Projekt Red, introduced the demo, which started with the player character V climbing into an ice bath and jacking into cyberspace. Patrick Shanley, The Hollywood Reporter, "'Cyberpunk 2077' Gameplay Footage Showcases Brutal, Beautiful Dystopia," 30 Aug. 2019 Education Technology: The internet and its global connectivity have given rise to education technology, which takes learning in the traditional classroom out of the classroom, and into cyberspace. Sandra Watson, President & Ceo, azcentral, "Next-Gen tech trends: The future of Arizona," 14 May 2018 The vacuum that is the internet is sucking dollars into cyberspace by persuading people to look no further than a computer or tablet to shop. Maria Panaritis,, "This Main Line shop is closing, and I'm worried for all of us | Maria Panaritis," 27 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cyberspace.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of cyberspace

1982, in the meaning defined above

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Statistics for cyberspace

Last Updated

23 Sep 2019

Time Traveler for cyberspace

The first known use of cyberspace was in 1982

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More Definitions for cyberspace


How to pronounce cyberspace (audio)

English Language Learners Definition of cyberspace

: the online world of computer networks and the Internet


cy·​ber·​space | \ ˈsī-bər-ˌspās How to pronounce cyberspace (audio) \

Kids Definition of cyberspace

: the online world of computer networks and especially the Internet

More from Merriam-Webster on cyberspace

Rhyming Dictionary: Words that rhyme with cyberspace

Nglish: Translation of cyberspace for Spanish Speakers Encyclopedia article about cyberspace

Comments on cyberspace

What made you want to look up cyberspace? Please tell us where you read or heard it (including the quote, if possible).


not being in agreement or harmony

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