cyberspace
noun
cy·ber·space
ˈsī-bər-ˌspās 
: 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
While Iranian missiles cannot yet reach the US mainland, officials say cyberattacks offer a way for Iran to respond asymmetrically by hitting critical US infrastructure in cyberspace.
—
Alexandra Banner, CNN Money, 8 Apr. 2026
China's cyberspace regulator has raced to regulate the rapidly growing field in recent years, but struggled to stay ahead of a technology that is advancing faster than the rules designed to govern it.
—Anniek Bao, CNBC, 27 Mar. 2026
On February 28, 2026, as fighter jets and cruise missiles struck Iranian Revolutionary Guard command centers during Operation Roar of the Lion, a parallel assault reportedly unfolded in cyberspace.
—Kurt Knutsson, FOXNews.com, 1 Mar. 2026
Back then, the casino had to be floating on water in order for the gambling to be legal, which sounds downright archaic considering all the gaming now taking place on land and sea and most especially in cyberspace.
—Denise Crosby, Chicago Tribune, 15 Jan. 2026
See All Example Sentences for cyberspace
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Alexandra Banner, CNN Money, 8 Apr. 2026
China's cyberspace regulator has raced to regulate the rapidly growing field in recent years, but struggled to stay ahead of a technology that is advancing faster than the rules designed to govern it.
—Anniek Bao, CNBC, 27 Mar. 2026
On February 28, 2026, as fighter jets and cruise missiles struck Iranian Revolutionary Guard command centers during Operation Roar of the Lion, a parallel assault reportedly unfolded in cyberspace.
—Kurt Knutsson, FOXNews.com, 1 Mar. 2026
Back then, the casino had to be floating on water in order for the gambling to be legal, which sounds downright archaic considering all the gaming now taking place on land and sea and most especially in cyberspace.
—Denise Crosby, Chicago Tribune, 15 Jan. 2026
See All Example Sentences for cyberspace
Cite this Entry
“Cyberspace.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cyberspace. Accessed 22 Apr. 2026.
Copy CitationKids Definition
cyberspace
noun
cy·ber·space
ˈsī-bər-ˌspās
: the online world of computer networks
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