war
1 Americannoun
-
a conflict carried on by force of arms, as between nations or between parties within a nation; warfare, as by land, sea, or air.
-
a state or period of armed hostility or active military operations.
The two nations were at war with each other.
-
a contest carried on by force of arms, as in a series of battles or campaigns.
the War of 1812.
-
armed fighting, as a science, profession, activity, or art; methods or principles of waging armed conflict.
War is the soldier's business.
-
active hostility or contention; conflict; contest.
a war of words.
-
aggressive business conflict, as through severe price cutting in the same industry or any other means of undermining competitors.
a fare war among airlines; a trade war between nations.
-
a struggle to achieve a goal.
the war on cancer;
a war against poverty;
a war for hearts and minds.
-
Cards.
-
a game for two or more persons, played with a 52-card pack evenly divided between the players, in which each player turns up one card at a time with the higher card taking the lower, and in which, when both turned up cards match, each player lays one card face down and turns up another, the player with the higher card of the second turn taking all the cards laid down.
-
an occasion in this game when both turned up cards match.
-
-
Archaic. a battle.
verb (used without object)
-
to make or carry on war; fight.
to war with a neighboring nation.
-
to carry on active hostility or contention.
Throughout her life she warred with sin and corruption.
-
to be in conflict or in a state of strong opposition.
The temptation warred with his conscience.
adjective
adjective
abbreviation
noun
-
open armed conflict between two or more parties, nations, or states
-
a particular armed conflict
the 1973 war in the Middle East
-
the techniques of armed conflict as a study, science, or profession
-
any conflict or contest
a war of wits
the war against crime
-
(modifier) of, relating to, resulting from, or characteristic of war
a war hero
war damage
a war story
-
to have made the most of the opportunities presented to one during wartime
-
informal (esp of a child) hurt or knocked about, esp as a result of quarrelling and fighting
verb
abbreviation
Other Word Forms
Conjugated Forms
Present
-
have warredperfect
-
has warredperfect 3rd person singular
-
am warringprogressive 1st person singular
-
has been warringperfect progressive 3rd person singular
-
have been warringperfect progressive
-
warringparticiple
-
are warringprogressive
-
is warringprogressive 3rd person singular
-
warssingular 3rd person
Past
-
had warredperfect
-
were warringprogressive plural
-
had been warringperfect progressive
-
warredparticiple
-
warredsimple
-
was warringprogressive singular
Future
Etymology
Origin of war1
First recorded before 1150; Middle English noun wer(re), war(re), late Old English werre, wyrre, from Old North French wer(r)e, waire, from Old Frankish werra (unrecorded), from Germanic; cognate with Old High German werra, Middle Low German, Middle Dutch werre “strife, discord”; verb derivative of the noun; akin to war 2, worse
Origin of war2
First recorded in 1300–50; Middle English wer(re), war(re), from Old Norse verri worse
Explanation
War is armed combat between two or more countries or between different groups of people within the same country. As the soul singer Edwin Starr asked, "War! Huh! What is it good for?" Absolutely nothing. The term "civil war" means not that the war is courteous and polite, but that it is between citizens of the same nation or community, as in the American Civil War. Often war refers to nonmilitary combat or tension, such as between angry neighbors, or rival sports teams, or between different social classes — as in "class war," or government policies such as the "war on drugs."
Vocabulary lists containing war
Memorial Day: Words of Respect and Remembrance
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
Part 1 Vocabulary (Unit 1)
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
Gather Vocabulary Knowledge, Unit 1
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Against this backdrop, he said, “a further headwind in the form of higher interest rates to exacerbate the Iran war damage” is the last thing the eurozone needs.
From MarketWatch • Jun. 9, 2026
Many analysts think stockpiles will eventually settle higher than they were before the war, as countries will want a larger cushion against future energy shocks.
From The Wall Street Journal • Jun. 9, 2026
German industrial production and exports rose slightly in April, official data showed Tuesday, but analysts warned the momentum was too weak to signal an economic rebound as the Iran war weighs.
From Barron's • Jun. 9, 2026
I described it as a relay race: We start with democracy and Piggy, then comes cracking of civility and Jack, then chaos with Simon, and finally war with Ralph.
From Los Angeles Times • Jun. 9, 2026
The home in Bloemendaal served ex-prisoners and other war victims exclusively until 1950, when it also began to receive people in need of care from the population at large.
From "The Hiding Place" by Corrie ten Boom
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.