1 of 2


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


2 of 2

combining form

: computer : computer network

Example Sentences

Recent Examples on the Web
The report says the network upgrades and damages from the cyber attack cost BCPS nearly $10 million. Luke Barr, ABC News, 25 Jan. 2023 Businesses of all sizes and across all industries are struggling to understand the scope of the threat and many do not have the necessary cyber defenses in place. Tony Bradley, Forbes, 24 Jan. 2023 At this time, there is no evidence of a cyber attack. Jon Brodkin, Ars Technica, 12 Jan. 2023 The cause of the outage remains unclear at this stage, but the White House said there was no initial evidence of a cyber attack and directed the DoT to investigate. Diego Lasarte, Quartz, 11 Jan. 2023 The details of a cyber attack will be analyzed by security experts, which should help limit how many vehicles are vulnerable to the same attack. Matthew Humphries, PCMAG, 20 Oct. 2022 The hackers use this type of cyber attack to collect ransom in exchange for getting the victim’s personal information back. Gene Marks, Forbes, 14 Aug. 2022 To kick off the new year, the line is moving from the cyber screen to Sephora shelves, joining the retail’s Clean at Sephora category. Danielle Wright, Essence, 6 Jan. 2023 Out on the sea hunting a whale with a harpoon, or lost in our cyber world, human beings are still tackling the same issues. Alexis Soloski, New York Times, 5 Jan. 2023 See More

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.

Word History




Combining form


First Known Use


1992, in the meaning defined above

Time Traveler
The first known use of cyber was in 1992

Dictionary Entries Near cyber

Cite this Entry

“Cyber.” Dictionary, Merriam-Webster, Accessed 9 Feb. 2023.

Kids Definition


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


2 of 2 combining form
: computer : computer network

More from Merriam-Webster on cyber

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
Name That Thing

You know what it looks like… but what is it called?

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?