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 The Treasury sometimes sanctions hackers working for foreign military and intelligence services for activities that the U.S. and its allies say go beyond fair play in cyberspace, like attacking civilian infrastructure. Kevin Collier, NBC News, 2 Feb. 2024 The escalating campaign against one of the most influential Chinese accounts on X comes as Washington becomes increasingly wary of Beijing’s reach in cyberspace beyond its borders. Nectar Gan, CNN, 18 Mar. 2024 But because these attacks happen in cyberspace, the battlefield is less tangible, and nation-state attacks blend in with service outages like AT&T’s, which turned out to be a software update gone awry and not a cyberattack. Eric Noonan, Fortune, 1 Mar. 2024 Hostile activity in cyberspace — from spying to the planting of malware to infect and disrupt a country's infrastructure — has become a hallmark of modern geopolitical rivalry. Colleen Long, Quartz, 21 Feb. 2024 Hostile activity in cyberspace — from spying to the planting of malware to infect and disrupt a country’s infrastructure — has become a hallmark of modern geopolitical rivalry. Colleen Long, Los Angeles Times, 21 Feb. 2024 Nevertheless, in the shadows of cyberspace, the very tools wielded to safeguard data can become an arsenal used to stealthily attack system vulnerabilities. Richard Torrenzano, Fortune, 31 Jan. 2024 Section 230 was created during a period when policy was being designed to unleash internet innovation, thereby maintaining America’s competitive edge in cyberspace. Jaron Lanier, WIRED, 13 Feb. 2024 The Wired interconnects all communication on Earth, with television, telephone, and cyberspace forming one synthetic reality. Kyle Chayka, The New Yorker, 13 Jan. 2024

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.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cyberspace. Accessed 16 Apr. 2024.

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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!