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
As part of the Virginia-class fleet, USS New Jersey forms a central element of the US attack-submarine force, designed to operate stealthily in both littoral zones and open-ocean environments, providing the Navy with a versatile and survivable platform for modern undersea warfare.
—
Bojan Stojkovski, Interesting Engineering, 4 Apr. 2026
Russia and Ukraine exchanged deadly strikes overnight, killing 10 people and wounding dozens in intense drone warfare.
—Volodymyr Yurchuk, Los Angeles Times, 4 Apr. 2026
The strikes, the latest in an intensifying drone warfare between the army and the RSF, killed 10 people, including seven medical staffers, and injured at least 19 people.
—ABC News, 3 Apr. 2026
Russia's war in Ukraine has given rise to a new kind of drone warfare.
—Kai Nicol-Schwarz, CNBC, 3 Apr. 2026
See All Example Sentences for warfare
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Bojan Stojkovski, Interesting Engineering, 4 Apr. 2026
Russia and Ukraine exchanged deadly strikes overnight, killing 10 people and wounding dozens in intense drone warfare.
—Volodymyr Yurchuk, Los Angeles Times, 4 Apr. 2026
The strikes, the latest in an intensifying drone warfare between the army and the RSF, killed 10 people, including seven medical staffers, and injured at least 19 people.
—ABC News, 3 Apr. 2026
Russia's war in Ukraine has given rise to a new kind of drone warfare.
—Kai Nicol-Schwarz, CNBC, 3 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 5 Apr. 2026.
Copy CitationKids Definition
warfare
noun
war·fare
ˈwȯr-ˌfa(ə)r 
-ˌfe(ə)r
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