ar·​my | \ˈär-mē \
plural armies

Definition of army 

1a : a large organized body of armed personnel trained for war especially on land

b : a unit capable of independent action and consisting usually of a headquarters, two or more corps, and auxiliary troops

c often capitalized : the complete military organization of a nation for land warfare

2 : a great multitude an army of birds

3 : a body of persons organized to advance a cause

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Examples of army in a Sentence

the armies of Alexander the Great He left home and joined the army after he graduated from high school. The company employs an army of lawyers to handle its legal affairs. They sent in a whole army of trained technicians. The organization was founded by a dedicated army of volunteers.
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Recent Examples on the Web

There is nothing of significance in her book that the small army of Wilson biographers and scholars of the Progressive era have not been narrating and chewing over since his death in 1924. Michael Kazin, New York Times, "Woodrow Wilson Achieved a Lot. So Why Is He So Scorned?," 22 June 2018 Dolores and her allies are heading for the Valley Beyond with Peter Abernathy’s control unit, which means the Delos Corporation’s army can’t be far behind. Scott Meslow, GQ, "Westworld Season 2 Episode 7 Recap: The Coward Dr. Ford," 4 June 2018 Rosenberg believes the army of immune cells are still at work. Jonathan Lapook, CBS News, "Groundbreaking treatment saves life of woman with late-stage breast cancer," 4 June 2018 Last year’s mutinies have shown that despite its relative calm and roaring economy, Ivory Coast remains vulnerable to unrest and Ouattara’s hold over the army is tenuous. Baudelaire Mieu,, "Ivory Coast’s Army Fears More Mutinies Over Bonus Dispute," 4 May 2018 Ms Shirazi recalled that Pervez Musharraf, the general who toppled Mr Sharif in 1999, had at least allowed journalists to cover the return from exile in 2007 of Benazir Bhutto, another powerful civilian leader feared by the army. The Economist, "Nawaz Sharif returns to Pakistan, and jail," 14 July 2018 The explanation could lie in the military archives, but the army has told the court that records of the operation do not exist. New York Times, "Survivors of Massacre Ask: ‘Why Did They Have to Kill Those Children?’," 26 May 2018 Public protests erupted in 2002 when a U.S. court-martial acquitted two GI’s of negligent homicide after their vehicle crushed two teen-aged girls during an army training exercise. Time, "Inside Camp Humphreys, South Korea: America's Largest Overseas Military Base," 13 July 2018 On Thursday, Pakistan’s army chief, General Qamar Javed Bajwa, and caretaker prime minister, Nasir-ul-Mulk, visited Bilour’s residence to offer condolences. Zaheer Babar,, "Pakistan ex-PM’s party: Police arresting Sharif’s supporters," 12 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'army.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of army

circa 1522, in the meaning defined at sense 1a

History and Etymology for army

Middle English armee, from Anglo-French, from Medieval Latin armata — more at armada

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Statistics for army

Last Updated

7 Nov 2018

Look-up Popularity

Time Traveler for army

The first known use of army was circa 1522

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More Definitions for army



English Language Learners Definition of army

: a large group of soldiers organized to fight battles on land

: the part of a country's military forces that includes soldiers who are trained to fight on land

: a large number of people or things that are involved in some activity together


ar·​my | \ˈär-mē \
plural armies

Kids Definition of army

1 : a large body of soldiers trained for land warfare

2 often capitalized : the complete military organization of a nation for land warfare

3 : a great number of people or things an army of volunteers

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Comments on army

What made you want to look up army? Please tell us where you read or heard it (including the quote, if possible).


playful or foolish behavior

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