war

1 of 4

noun

often attributive
1
a(1)
: a state of usually open and declared armed hostile conflict between states or nations
(2)
: a period of such armed conflict
(3)
b
: the art or science of warfare
c(1)
obsolete : weapons and equipment for war
(2)
archaic : soldiers armed and equipped for war
2
a
: a state of hostility, conflict, or antagonism
b
: a struggle or competition between opposing forces or for a particular end
a class war
a war against disease
warless adjective

war

2 of 4

verb (1)

warred; warring

intransitive verb

1
: to be in active or vigorous conflict
2
: to engage in warfare

war

3 of 4

adverb or adjective

chiefly Scotland
: worse

war

4 of 4

verb (2)

warred; warring

Examples of war in a Sentence

Noun They fought a war over the disputed territory. A war broke out when the colonists demanded their independence. We need to resolve our conflicts without resorting to war. People behave differently during a time of war. The taking of American hostages was seen as an act of war by the United States. the budget wars in Washington Verb (1) continually warring against their neighbors in an effort to expand their territory
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Presidents have tapped the stockpile to calm oil markets during war or when hurricanes hit oil infrastructure along the U.S. Gulf of Mexico. Gertrude Chavez-Dreyfuss and Lisa Pauline Mattackal, USA TODAY, 17 Dec. 2024 There’s little that Russia’s central bank can do to tackle inflation— and the ruble’s deterioration — while the war continues, according to analysts Alexandra Prokopenko and Alexander Kolyandr. Holly Ellyatt, CNBC, 16 Dec. 2024
Verb
Things only get worse once the warring factions decide to move into the dilapidated home together. Shannon Carlin, TIME, 17 Dec. 2024 An acrimonious race for Speaker of the Texas House is splitting the state GOP — and forcing a confrontation between the body’s warring Republican camps, writes The Hill’s Saul Elbein. Alexis Simendinger, The Hill, 10 Dec. 2024 See all Example Sentences for war 

Word History

Etymology

Noun

Middle English werre, from Anglo-French werre, guerre, of Germanic origin; akin to Old High German werra strife; akin to Old High German werran to confuse

Adverb or adjective

Middle English werre, from Old Norse verri, adjective, verr, adverb; akin to Old English wiersa worse — more at worse

First Known Use

Noun

12th century, in the meaning defined at sense 1a(1)

Verb (1)

13th century, in the meaning defined at sense 1

Adverb Or Adjective

13th century, in the meaning defined above

Verb (2)

15th century, in the meaning defined above

Time Traveler
The first known use of war was in the 12th century

Dictionary Entries Near war

Cite this Entry

“War.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/war. Accessed 21 Dec. 2024.

Kids Definition

war

1 of 2 noun
1
a
: a state or period of armed hostile conflict between states, nations, or groups
b
: the science of warfare
2
a
: a state of hostility, antagonism, or conflict
b
: a struggle between opposing forces or for a particular goal
a war on disease

war

2 of 2 verb
warred; warring
1
: to engage in warfare
warring nations
2
: to be in conflict

More from Merriam-Webster on war

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!