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

Holder was one of thousands of Americans swindled out of a total estimated at $20 billion by way of cyber theft in 2025, according to the FBI. —Anna Schecter, CBS News, 23 Apr. 2026

And even amid the Iran war, more than half the employees at the Cybersecurity and Infrastructure Security Agency – a division of DHS that protects Americans from cyber threats – are on furlough. —Zachary Schermele, USA Today, 22 Apr. 2026

So what keeps me awake at night is cyber. —Lee Ying Shan, CNBC, 22 Apr. 2026

The model, according to Anthropic, possess unprecedented cyber capabilities, able to find zero day vulnerabilities in software code and string together multiple vulnerabilities into sophisticated autonomous attacks. —Jeremy Kahn, Fortune, 21 Apr. 2026

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