warfare

noun

war·​fare ˈwȯr-ˌfer How to pronounce warfare (audio)
Synonyms of warfarenext
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.
Zelenskyy refuses to give up land that Russia has not been able to capture in four years of grinding, attritional warfare. Reuters, NBC news, 24 Jan. 2026 Some of the initial training is being done in the backcountry of Camp Pendleton, which is known for innovation in unmanned systems and electronic warfare. Gary Robbins, San Diego Union-Tribune, 24 Jan. 2026 Do not be afraid of the language of class warfare — the rich versus the poor, the oligarchs versus the citizens, the capitalists versus the proletariat. James Folta, Literary Hub, 23 Jan. 2026 Iranians want to put an end to this warfare. Agustina Vergara Cid, Oc Register, 23 Jan. 2026 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 30 Jan. 2026.

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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