armed

armed — adjective

1. describing a person or group that has a gun, knife, or other weapon ready to use

1.adjectiveB2
Definition

describing a person or group that has a gun, knife, or other weapon ready to use, especially during a crime or a military operation.

Example

Two armed men walked into the petrol station and demanded all the cash.

armed + plural noun (people)

The soldiers were heavily armed with rifles, grenades, and night-vision goggles.

heavily armed with + [list of weapons]

Common collocations
  • armed and dangerous
  • heavily armed
  • armed guard
  • armed police
  • armed gang
Synonyms
  • armed-up

    very informal, mostly British slang

  • packing

    very informal American, especially carrying a hidden gun

  • weaponised

    more often used of objects than people

Antonyms
  • unarmed

    the standard direct opposite

  • defenceless

    stresses helplessness, not just lack of weapons

Grammar Patterns

armed + with + [weapon]

Usage Note

Subject is usually a person, group, or vehicle that physically holds the weapon. Distinguish from sense 2, where 'armed' modifies the event (a robbery, a conflict) rather than the actor.

Common Mistakes

The robbery was armed.
The robbers were armed.' or 'It was an armed robbery.
sense 1 modifies the people; the event-noun pattern is sense 2.

2. describing an action, struggle, or crime in which weapons such as guns or bombs

2.adjectiveB2
Definition

describing an action, struggle, or crime in which weapons such as guns or bombs are used. Common pairings include armed conflict, armed robbery, and armed struggle.

Example

The two countries have been locked in armed conflict for over a decade.

collocation: armed conflict

Mr. Lin was sentenced to twelve years for armed robbery of a jewellery shop.

collocation: armed robbery

Common collocations
  • armed conflict
  • armed robbery
  • armed struggle
  • armed clash
  • armed intervention
  • armed insurrection
Synonyms
  • violent

    wider — covers fists and weapons alike

  • military

    implies an organised army, not just any weapons

Antonyms

Grammar Patterns

armed + [event noun]

Usage Note

Used attributively before nouns that name an event or struggle (conflict, robbery, struggle, clash, intervention). Cannot follow 'be' the way sense 1 can; you say 'an armed robbery', not 'the robbery was armed'.

Common Mistakes

The conflict became armed last month.
Armed conflict broke out last month.
this sense sits before the noun and does not work after 'be'.

3. having the facts, tools, or skills you need to deal with a difficult task — for

3.adjectiveB2
Definition

having the facts, tools, or skills you need to deal with a difficult task — for example, going into an exam armed with three weeks of notes, or visiting a mechanic armed with quotes from another shop.

Example

Quinn walked into the meeting armed with charts, photos, and customer feedback.

armed with + [list of supporting items]

Armed with a torch and a paper map, Ilya set off into the dark forest.

fronted: 'Armed with X, [subject]…'

Common collocations
  • armed with information
  • armed with evidence
  • armed with knowledge
  • armed with a list
  • armed with the facts
Synonyms
  • equipped

    more neutral, often physical tools

  • prepared

    wider — does not require a specific item

Antonyms

Grammar Patterns

armed with + [tool / information]

Usage Note

Almost always used with 'with' plus a noun that helps the subject succeed (knowledge, evidence, tools). Often appears as a fronted participle phrase ('Armed with X, …'). The thing 'with' introduces is rarely a literal weapon in this sense.

Common Mistakes

She was armed by useful data.
She was armed with useful data.
the preposition is 'with', not 'by'.
Idioms

armed to the teeth

idiom

Carrying a large number of weapons.

The soldiers were armed to the teeth for the dangerous mission.

Did the pirates really arrive armed to the teeth?

armed — suffix

Word family

Synonym discussion

Sense: adjective/1

All three describe something that has been given the means to fight, but they differ in scope and tone. 'Armed' is the everyday word for a person or group carrying ready-to-use weapons such as guns or knives, and it is the natural choice in news reports about crimes or soldiers ('armed robbers', 'heavily armed troops'). 'Equipped' is broader and more neutral: a hiker can be equipped with a rope, a clinic equipped with X-ray machines, an army equipped with tanks — the word does not, on its own, suggest aggression. 'Weaponised' is newer and is used when something not originally a weapon has been turned into one, including non-physical things ('weaponised drones', 'weaponised social media'). So you might say, 'The patrol was armed with rifles, equipped with thermal cameras, and supported by weaponised drones.'

armed ↗equipped ↗weaponised

Common collocations

Nouns

Adverbs

Phrases

Prepositions

Etymology

LatinOld FrenchMiddle EnglishModern English

'Armed' is the past-participle form of the verb 'arm', which came into Middle English from Old French 'armer'. The French word traces back to Latin 'armare' ('to provide with weapons'), built on the noun 'arma' meaning weapons or tools of war. The body-part word 'arm' (your shoulder-to-hand limb) has a different Germanic source — Old English 'earm' — but in English they happen to be spelled the same, which is why the suffix '-armed' in 'one-armed' looks identical to weapon-related 'armed' yet means something quite different.