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
These include drone carriers, electronic warfare platforms, communication relays, aerial refueling upgrades, and even firefighting configurations capable of dropping up to 44,000 pounds of water.
—
Sujita Sinha, Interesting Engineering, 21 Apr. 2026
In this video, CNN’s Jim Sciutto takes you to northern Alaska for an exclusive look at how the US Army is preparing for the next iteration of arctic warfare.
—Alexandra Banner, CNN Money, 21 Apr. 2026
The result is that even with the world’s gaze fixed on the Gulf, NATO and Russia are facing off in something akin to a return to Cold War-era anti-submarine warfare in the North Atlantic, only with new and increasingly sophisticated technology.
—Alan Crawford, Bloomberg, 20 Apr. 2026
At the same time, Iran and its partners have additionally embraced information warfare with far greater coherence than even the United States.
—Gaurav Srivastava, The Washington Examiner, 19 Apr. 2026
See All Example Sentences for warfare
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Sujita Sinha, Interesting Engineering, 21 Apr. 2026
In this video, CNN’s Jim Sciutto takes you to northern Alaska for an exclusive look at how the US Army is preparing for the next iteration of arctic warfare.
—Alexandra Banner, CNN Money, 21 Apr. 2026
The result is that even with the world’s gaze fixed on the Gulf, NATO and Russia are facing off in something akin to a return to Cold War-era anti-submarine warfare in the North Atlantic, only with new and increasingly sophisticated technology.
—Alan Crawford, Bloomberg, 20 Apr. 2026
At the same time, Iran and its partners have additionally embraced information warfare with far greater coherence than even the United States.
—Gaurav Srivastava, The Washington Examiner, 19 Apr. 2026
See All Example Sentences for warfare
Cite this Entry
“Warfare.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/warfare. Accessed 29 Apr. 2026.
Copy CitationKids Definition
warfare
noun
war·fare
ˈwȯr-ˌfa(ə)r 
-ˌfe(ə)r
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