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

Washington The battle to protect consumer data is moving from cyberspace to shopping malls, as Congress scrutinizes how advanced technology increasingly... John D. Mckinnon, WSJ, "Big Brother in the Mall," 13 Apr. 2019 Today, of course, AOL evidently doesn’t have a monopoly over cyberspace. Adi Robertson, The Verge, "How the antitrust battles of the ‘90s set the stage for today’s tech giants," 6 Sep. 2018 Wagering on sports, which is generally done over phone lines or in cyberspace, is a lesser concern. John Keilman,, "Will local bookies survive when legal sports betting comes to Illinois? The odds look good.," 18 June 2019 Because in cyberspace, of course the decisions are made in microseconds that human beings can’t complicate. Eric Johnson, Vox, "Russia and China are waging a “shadow war” against the US, and the battlefields will be AI and space, CNN’s Jim Sciutto says," 11 June 2019 With projects in the Arctic, cyberspace and outer space, managing everything may be impossible. Jonathan Hillman, Twin Cities, "Jonathan Hillman: Five myths about China’s Belt and Road Initiative," 3 June 2019 Nakasone helped sell to skeptical lawmakers and Pentagon officials the concept for a new fighting force whose weapons were ones and zeros, and whose battleground was cyberspace. Washington Post, "Incoming NSA chief has a reputation for winning ‘all the important fights.’ Russia will be his biggest test yet.," 1 Apr. 2018 The Marine Corps is also developing plans to recruit and retain cyberspace professionals in the Reserves, and in May unveiled new badges for enlisted troops and officers who work as drone operators. Washington Post, "Marine Corps weighs wooing older members for new cyber force," 9 June 2018 Throw in some engineering degrees and a whole lot of police software, and this is the basic model for modern Chinese cyberspace sovereignty. Bruce Sterling, The Atlantic, "Stop Saying 'Smart Cities'," 12 Feb. 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

15 Jul 2019

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Time Traveler for cyberspace

The first known use of cyberspace was in 1982

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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

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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

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something desired as essential

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