cyber

1 of 2

adjective

cy·​ber ˈsī-bər How to pronounce cyber (audio)
: of, relating to, or involving computers or computer networks (such as the Internet)
the cyber marketplace

cyber-

2 of 2

combining form

: computer : computer network
cyberspace

Examples of cyber in a Sentence

Recent Examples on the Web
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Adjective
Swatting is a form of cyber harassment that typically involves a caller alerting law enforcement to an active shooter situation or some other sort of immediate danger that does not actually exist. — Jessica Schladebeck, New York Daily News, 8 Oct. 2026 Global research found that 68% of incident responders regularly defend against two or more attacks simultaneously, while 67% reported experiencing daily stress or anxiety associated with responding to cyber incidents. — Tony Kirtley, Fortune, 8 Oct. 2026 The botnet was used to facilitate cyber crimes, such as the theft of sensitive information from victims’ networks. — ABC News, 8 Oct. 2026 Similarly, cyber insurance requirements are also tightening in reaction to a worsening threat landscape. — David Bennett, Forbes.com, 6 Oct. 2026 See All Example Sentences for cyber

Word History

Etymology

Adjective

cyber-

Combining form

cybernetic

First Known Use

Adjective

1992, in the meaning defined above

Time Traveler
The first known use of cyber was in 1992

Phrases Containing cyber

Rhymes for cyber

See All Rhymes for cyber

Browse Nearby Words

Cybele
cyber
cyber-
See all Nearby Words

Cite this Entry

“Cyber.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cyber. Accessed 14 Oct. 2026.

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Kids Definition

cyber

1 of 2 adjective
cy·​ber ˈsī-bər How to pronounce cyber (audio)
: relating to computers or computer networks

cyber-

2 of 2 combining form
: computer : computer network
cyberspace
Etymology

Combining form

cybernetic

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