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

Legal risks mount for OpenAI OpenAI faces mounting legal risks stemming from cyber incidents linked to its AI models, after the firm alerted more than 100 organizations to unauthorized activities. — Eleanor Mueller, semafor.com, 5 Oct. 2026

Innovations developed by Italian industry, including the lithium-ion propulsion battery and the new combat management system, will ensure greater stealth, endurance, efficiency, and cyber resilience, as per the release. — Prabhat Ranjan Mishra, Interesting Engineering, 2 Oct. 2026

Wind turbines are vulnerable to cyber espionage and cyberattacks, according to De Kleijn. — Sam Birchall, Fortune, 2 Oct. 2026

Other model builders later revealed cyber incidents caused by rogue AI agents. — Kai Nicol-Schwarz, CNBC, 30 Sep. 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