army
Americannoun
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the military forces of a nation, exclusive of the navy and in some countries the air force.
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(in large military land forces) a unit consisting typically of two or more corps and a headquarters.
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a large body of persons trained and armed for war.
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any body of persons organized for any purpose.
an army of census takers.
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a very large number or group of something; a great multitude; a host.
the army of the unemployed.
noun
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the military land forces of a nation
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a military unit usually consisting of two or more corps with supporting arms and services
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(modifier) of, relating to, or characteristic of an army
army rations
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any large body of people united for some specific purpose
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a large number of people, animals, etc; multitude
Other Word Forms
Derived Forms
Etymology
Origin of army
1350–1400; Middle English armee < Middle French < Latin armāta. Cf. Armada
Explanation
An army is an organized group of fighters, especially a country's official military force. When a country goes to war, it sends an army to fight. An army is typically defined as fighting on land, while a navy battles at sea, and some countries make this even more clear by distinguishing their "Land Army" from their "Air Army." The 14th century meaning of army was "armed expedition," from the Old French armée and the Latin root armata, "armed, equipped, or in arms."
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.
That means these awards largely amount to a battle of the fan bases – and there is perhaps no fan base as zealous as the so-called BTS ARMY.
From BBC • May 26, 2026
BTS's global fans, known as the ARMY, calls theirs the Army Bomb.
From Barron's • Mar. 18, 2026
Chief of the General Staff of Russian Armed Forces Valery Gerasimov attends the annual international military-technical forum "ARMY" at Patriot Expocentre in Moscow Region, Russia August 21, 2018.
From Reuters • May 2, 2022
For BTS ARMY, Daebop created an “I Purple You” strap, as both the phrase and the color purple hold significance for the fandom.
From Los Angeles Times • Dec. 3, 2021
ARMY, French, after Bastille, officered by aristocrats, to be disbanded, demands arrears, general mutiny of, outbreak of, Nanci military executions, Royalists leave, state of, in want, recruited, Revolutionary, fourteen armies on foot.
From The French Revolution by Carlyle, Thomas
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.
