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.
And in an unusual twist, non-NATO member Ukraine was there to advise on drone warfare. ABC News, 12 May 2026 The intense recruitment drive has accelerated since January, reflecting the increasingly crucial role of drone warfare in the conflict, now into its fifth year. Yuliya Talmazan, NBC news, 12 May 2026 Ukrainian companies are also developing innovative electronic warfare methods and hardware. Aidan Stretch, CBS News, 12 May 2026 That’s a deterrent factor that’s been on display in the Iran war, where the US Navy, cautious of Iran’s asymmetric warfare, has rarely sent ships through the Strait of Hormuz into the Persian Gulf. Brad Lendon, CNN Money, 10 May 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 13 May. 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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