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
All over the world, the ideological warfare of the twentieth century seemed to have given way to a general acceptance that democracy and capitalism were the best way to run a country.
—
Literary Hub, 2 June 2026
The debut trailer shown at the 2025 Game Awards was meaty, showcasing CG cutscenes that perfectly set the dark epic atmosphere and gameplay clips that tease a new level of large-scale warfare across the stars.
—Fran Ruiz, Space.com, 2 June 2026
This lets the fighter track several targets at once, quickly switch between air and ground missions, and lowers the chance of being detected by enemy electronic warfare.
—Sujita Sinha, Interesting Engineering, 2 June 2026
It has been held in Germany and Poland and is getting progressively larger and more comprehensive to meet the expanding dimensions of drone warfare.
—Zita Ballinger Fletcher, Forbes.com, 1 June 2026
See All Example Sentences for warfare
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Literary Hub, 2 June 2026
The debut trailer shown at the 2025 Game Awards was meaty, showcasing CG cutscenes that perfectly set the dark epic atmosphere and gameplay clips that tease a new level of large-scale warfare across the stars.
—Fran Ruiz, Space.com, 2 June 2026
This lets the fighter track several targets at once, quickly switch between air and ground missions, and lowers the chance of being detected by enemy electronic warfare.
—Sujita Sinha, Interesting Engineering, 2 June 2026
It has been held in Germany and Poland and is getting progressively larger and more comprehensive to meet the expanding dimensions of drone warfare.
—Zita Ballinger Fletcher, Forbes.com, 1 June 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 5 Jun. 2026.
Copy CitationKids Definition
warfare
noun
war·fare
ˈwȯr-ˌfa(ə)r 
-ˌfe(ə)r
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