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

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.
Space has emerged as the critical new frontier in modern warfare. Zita Ballinger Fletcher, Forbes.com, 23 June 2026 This makes attack submarines very useful in conventional warfare. Atharva Gosavi, Interesting Engineering, 23 June 2026 The Immediate Combat Readiness Exercises are meant to test how rapidly military units can deploy, especially in the face of a possible sudden escalation of Chinese grey-zone warfare. ABC News, 22 June 2026 Seven Mountains has brought the language of spiritual warfare and demon-fighting into the mainstream of evangelicalism, through a network of pastors who view themselves as prophets and apostles engaged in a battle against evil secular forces. Eliza Griswold, New Yorker, 22 June 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 25 Jun. 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

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