cyber warfare
noun
variants
or less commonly cyberwarfare
: the use of cyberattacks by a nation, organization, etc. to weaken or destroy another
Ukraine has now called on hackers to help defend against more cyber warfare.—Martin Farrer
… three days of speeches and panel discussions left no category of threat unaddressed. Earthquakes, tornadoes, hurricanes, tsunamis, terror attacks, cyber warfare, chemical leaks, train derailments, wildfires, floods, and nuclear meltdowns were all considered.—Matthew Power
… the Baltic nations of Lithuania, Latvia and Estonia have been the object of various threats from Russia, including economic sanctions and disruptive cyberwarfare.—Zbigniew Brzezinski
Cite this Entry
“Cyber warfare.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cyber%20warfare. Accessed 8 Aug. 2026.
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