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Synonyms

unarmed

American  
[uhn-ahrmd] / ʌnˈɑrmd /

adjective

  1. without weapons or armor.

  2. not having claws, thorns, scales, etc., as animals or plants.

  3. (of an artillery shell) not armed.


unarmed British  
/ ʌnˈɑːmd /

adjective

  1. without weapons

  2. (of animals and plants) having no claws, prickles, spines, thorns, or similar structures

  3. of or relating to a projectile that does not use a detonator to initiate explosive action

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of unarmed

A Middle English word dating back to 1250–1300; see origin at un- 1, armed 2

Explanation

When someone is unarmed, they don't have any weapons. Leave your slingshot at home if you want to be officially unarmed. Sometimes the adjective unarmed has the sense of "helpless" or "defenseless," as when you hear about military troops attacking unarmed civilians. The word is constructed by adding the prefix un- ("not" ) to armed, which has meant "prepared for battle" since the 13th century, from its Latin root arma, "tools or implements of war."

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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.

Hernandez counters with a list of accomplishments, including helping secure a $6.3-million state grant to house homeless individuals near the Arroyo Seco riverbed and advocating for a citywide network of unarmed crisis response teams.

From Los Angeles Times • May 24, 2026

Malik said the city needs more unarmed personnel to deal with situations in which armed police are not necessary, such as unarmed people experiencing mental health crises.

From Los Angeles Times • May 1, 2026

Such changes would go hand in hand with an overhaul of the department’s much-maligned disciplinary system, which has faced criticism from some corners for not meting out harsh enough punishments when officers shoot unarmed people.

From Los Angeles Times • Apr. 8, 2026

At Mexico’s request, the CIA positioned an unarmed Predator drone over a Tapalpa vacation compound, where it observed a man exit a vehicle and warmly embrace Oseguera’s lover, according to people familiar with the operation.

From The Wall Street Journal • Mar. 19, 2026

Street law dictated that for a parley of this kind each lieutenant be seconded by two of his foot soldiers and that they all be unarmed.

From "Six of Crows" by Leigh Bardugo

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