cy·​ber | \ ˈsī-bər How to pronounce cyber (audio) \

Definition of cyber

 (Entry 1 of 2)

: of, relating to, or involving computers or computer networks (such as the Internet) the cyber marketplace

Definition of cyber- (Entry 2 of 2)

: computer : computer network cyberspace

Examples of cyber in a Sentence

Recent Examples on the Web: Adjective

Macy's is warning customers that the retailer discovered a cyber threat that targeted customer profiles for almost two months. Caroline Blackmon, USA TODAY, "Macy's warns customers of online data breach," 11 July 2018 Macy's is warning customers that the retailer discovered a cyber threat that targeted customer profiles for almost two months. Caroline Blackmon, Detroit Free Press, "Macy's warns customers of online data breach," 6 July 2018 WeWork WeWork is bringing on the person formerly responsible for keeping the U.S. president’s digital devices safe from cyber threats to fill its first chief security officer role. Shirin Ghaffary, Recode, "WeWork has hired the executive who used to protect Obama and Trump from getting hacked," 10 May 2018 They are also taught about cyber security, and how to manage threatening situations. Annabelle Spranklen, Town & Country, "Here's What It Takes to Become a Nanny for the British Royal Family," 9 Mar. 2019 Shutterstock Remember when a major U.S. city’s computer infrastructure was hacked, and held ransom, by a group of cyber criminals? Patrick Sisson, Curbed, "As cities get high-tech, hackers become more dangerous," 18 Apr. 2018 Intelligence officials, cyber experts, and political campaigns have long been bracing for the possibility that these attacks could escalate through November 6. Benjamin Wofford, Vox, "The midterms are already hacked. You just don’t know it yet.," 25 Oct. 2018 Brook Conner, a 49-year-old Hawaii resident and cyber security expert, told the New Yorker on the day of the alert. De Elizabeth, Teen Vogue, "FEMA to Test Presidential Alert Wireless Emergency System," 15 Sep. 2018 The cyber divisions problems won’t end when the shutdown does. Joseph Marks, The Seattle Times, "Shutdown hits FBI cyber investigations hard, agents say," 23 Jan. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cyber.' 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 cyber


1992, in the meaning defined above

History and Etymology for cyber



Combining form


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Statistics for cyber

Last Updated

7 May 2019

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Time Traveler for cyber

The first known use of cyber was in 1992

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More Definitions for cyber

English Language Learners Definition of cyber-

: computer



Kids Definition of cyber-

: relating to computers or computer networks

More from Merriam-Webster on cyber

Britannica English: Translation of cyber for Arabic Speakers

Comments on cyber

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


highly pertinent or appropriate

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