warfare

noun

war·​fare ˈwȯr-ˌfer 

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

Synonyms of warfare

• war
• strife
• discord
• conflict
• friction
• discordance
• discordancy
• schism
• dissent

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

Yet another secondary effect of the Iran war is the expansion of modern drone warfare to the Persian Gulf region. —Sudarsan Raghavan, New Yorker, 28 Apr. 2026

Integrating Ukrainian and European experience in counter-drone and hybrid warfare must be a priority alongside our support for the defense against Russian aggression. —Pat Ryan, New York Daily News, 28 Apr. 2026

This warfare is sophisticated, persistent and often difficult to detect. —Joe Gebbia Sr, Chicago Tribune, 28 Apr. 2026

To streamline its defense supply chain, Ukraine has invested roughly $330 million (14 billion hryvnia) since January to deliver over 181,000 systems, including drones and electronic warfare units, via a direct digital procurement platform. —Mrigakshi Dixit, Interesting Engineering, 27 Apr. 2026

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

Phrases Containing warfare

• biological warfare
• chemical warfare
• cyber warfare
• germ warfare
• psychological warfare
• trench warfare

Rhymes for warfare

• abwehr
• affair
• affaire
• airfare
• altair
• armchair
• aware
• beware
• bugbear
• carfare
• childcare
• compare

Kids Definition

warfare

noun

war·​fare ˈwȯr-ˌfa(ə)r 

-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