warfare

noun

war·​fare ˈwȯr-ˌfer How to pronounce warfare (audio)
1
: military operations between enemies : hostilities, war
also : an activity undertaken by a political unit (such as a nation) to weaken or destroy another
economic warfare
2
: struggle between competing entities : conflict

see also biological warfare, chemical warfare, cyber warfare, germ warfare, trench warfare

Examples of warfare in a Sentence

that troubled household seems to be almost constantly in a state of warfare companies engaged in constant warfare for dominance in the market for smart phones and tablets
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
European allies accuse Russia of waging a campaign of hybrid warfare against them, of which the disruptive airspace violations are a part, along with sabotage plots, cyberattacks, disinformation campaigns, and more. Shane Croucher, MSNBC Newsweek, 10 Nov. 2025 The company says the fifth-gen submarine A26 will provide unprecedented capabilities across sea, air, and information domains, marking a new era in undersea warfare. Kapil Kajal, Interesting Engineering, 10 Nov. 2025 However, the latter event takes place on May 8 every year, marking the end of warfare in Europe during World War II. Meredith Kile, PEOPLE, 9 Nov. 2025 Russia has spent years developing electronic warfare capabilities amid the war in Ukraine. Lauren Kent, CNN Money, 9 Nov. 2025 See All Example Sentences for warfare

Word History

Etymology

Middle English, from werre, warre war + fare journey, passage — more at fare

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of warfare was in the 15th century

Browse Nearby Words

Cite this Entry

“Warfare.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/warfare. Accessed 17 Nov. 2025.

Kids Definition

warfare

noun
war·​fare ˈwȯr-ˌfa(ə)r How to pronounce warfare (audio)
-ˌfe(ə)r
1
a
: military fighting between enemies : war
b
: activity undertaken by one country or group to weaken or destroy another
economic warfare
2
: a struggle between competitors : conflict
industrial warfare

More from Merriam-Webster on warfare

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