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
see also biological warfare, chemical warfare, cyber warfare, germ warfare, trench warfare
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
Across the border from Kursk, in Ukraine's northeastern Sumy region, Ukrainian soldiers who battled those soldiers described how the North Koreans went from suffering massive losses to learning electronic warfare.
—
Joanna Kakissis, NPR, 16 June 2025
Radical, often foreign jihadists still make up a significant portion of the armed forces, ISIS is resurgent, former Assad loyalists remain dissatisfied, the economy is nonexistent from 13 years of warfare, and countless sectarian divisions threaten to rupture at any moment.
—Brady Knox, The Washington Examiner, 15 June 2025
Ukraine has transformed the landscape of modern warfare in several significant ways, offering lessons not just in military tactics but also in societal resilience, digital innovation, and global alliances.
—MSNBC Newsweek, 13 June 2025
Advertisement Rashid was key in the operations of Iran’s unmanned aerial vehicle (UAV) programme, mostly consisting of the use of drones in warfare.
—Callum Sutherland, Time, 13 June 2025
See All Example Sentences for warfare
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Joanna Kakissis, NPR, 16 June 2025
Radical, often foreign jihadists still make up a significant portion of the armed forces, ISIS is resurgent, former Assad loyalists remain dissatisfied, the economy is nonexistent from 13 years of warfare, and countless sectarian divisions threaten to rupture at any moment.
—Brady Knox, The Washington Examiner, 15 June 2025
Ukraine has transformed the landscape of modern warfare in several significant ways, offering lessons not just in military tactics but also in societal resilience, digital innovation, and global alliances.
—MSNBC Newsweek, 13 June 2025
Advertisement Rashid was key in the operations of Iran’s unmanned aerial vehicle (UAV) programme, mostly consisting of the use of drones in warfare.
—Callum Sutherland, Time, 13 June 2025
See All Example Sentences for warfare
Cite this Entry
“Warfare.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/warfare. Accessed 19 Jun. 2025.
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warfare
noun
war·fare
ˈwȯr-ˌfa(ə)r 
-ˌfe(ə)r
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