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 Protecting our customers from damaging cyber threats. Andrew Hollister, Forbes, 8 Oct. 2021 Alarmed by the potential of ransomware and other cyber threats to hinder US critical infrastructure, Biden met with executives of key tech and energy firms at the White House in August. Sean Lyngaas, CNN, 10 Sep. 2021 One big issue across the industry is cyber threats. Dylan Tokar, WSJ, 30 July 2021 When the business closed in 2020, Dorsey tried to pivot into a new career in cyber security. Esther Mobley, San Francisco Chronicle, 30 Sep. 2021 Adam Anderson is co-founder of Hook Security, providing cyber security awareness training, and managing general partner of Ansuz Capital, a cybersecurity venture fund. Jodie Cook, Forbes, 27 Sep. 2021 On the Yase tribe, Abraham, a cyber security analyst in Texas, guns for Tiffany, a teacher from Queens. Joseph Longo, Vulture, 23 Sep. 2021 The vote came at the same time President Joe Biden was delivering a stark warning to Russian President Vladimir Putin to rein in criminal cyber actors based in Russia that continue to target American companies and federal agencies. Natasha Bertrand, CNN, 9 July 2021 The Senate hired cyber security company Cyber Ninjas, which had no experience in official election audits, to lead the review. Adam Brewster, CBS News, 17 Sep. 2021

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

16 Oct 2021

Cite this Entry

“Cyber.” Dictionary, Merriam-Webster, Accessed 23 Oct. 2021.

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More Definitions for cyber


combining form

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


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