cyber

1 of 2

adjective

cy·​ber ˈsī-bər 

: 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

Adjective

Kurt's key takeaway The attack carried out through Claude signals a major shift in how cyber threats will evolve. —Kurt Knutsson, FOXNews.com, 29 Nov. 2025

The findings reflect the evolving tools and tactics of Russia's cyber war and demonstrate Moscow's willingness to attack a growing list of targets, including governments, organizations and private companies that have supported Ukraine, even in a tenuous way. —Arkansas Online, 26 Nov. 2025

Cloudflare enhances both performance and security by protecting websites from threats such as DDoS attacks, malicious bots and other cyber intrusions. —Diana Leyva, Nashville Tennessean, 18 Nov. 2025

And so our cyber capabilities are going backwards. —CBS News, 16 Nov. 2025

Word History

Etymology

Adjective

cyber-

Combining form

cybernetic

First Known Use

Adjective

1992, in the meaning defined above

Phrases Containing cyber

• cyber defense
• cyber warfare

Rhymes for cyber

• fiber
• fibre
• prescriber
• subscriber
• transcriber

Kids Definition

cyber

1 of 2 adjective

cy·​ber ˈsī-bər 

: relating to computers or computer networks

cyber-

2 of 2 combining form

: computer : computer network

cyberspace

Etymology

Combining form

cybernetic