ammunition

noun

am·​mu·​ni·​tion ˌam-yə-ˈni-shən 

1

a

: the projectiles with their fuses, propelling charges, or primers fired from guns

b

: cartridges

c

: explosive military items (such as grenades or bombs)

2

: material for use in attacking or defending a position

ammunition for the defense lawyers

Synonyms

• defense
• protection
• shield
• safeguard
• weapon
• wall

Examples of ammunition in a Sentence

The troops were supplied with weapons and ammunition.

be certain that all of your accusations are true, lest you just give them ammunition to claim that all of them are false

Recent Examples on the Web

After leaving the bar, Routt tried to get rid of the gun and ammunition at a gas station, which detectives later found in a nearby dumpster, the complaint said. —Alec Johnson, jsonline.com, 27 Sep. 2025

For indoor storage, guns should be kept unloaded and locked in appropriate safes or lockboxes for handguns, with ammunition in a separate safe, the AAP recommends. —Kristen Rogers, CNN Money, 26 Sep. 2025

He was convicted of McLaughlin’s first-degree murder in April of 2000, along with being found guilty of unlawful possession of a firearm and ammunition. —Boston Herald Editorial Staff, Boston Herald, 25 Sep. 2025

Hunters frequently inscribe inspirational messages onto their ammunition. —Connor Greene, Time, 24 Sep. 2025

Word History

Etymology

obsolete French amunition, from Middle French, alteration of munition

First Known Use

1607, in the meaning defined at sense 1a

Rhymes for ammunition

• abolition
• acquisition
• admonition
• apparition
• apposition
• coalition
• competition
• composition
• definition
• deglutition
• demolition
• deposition

Kids Definition

ammunition

noun

am·​mu·​ni·​tion ˌam-yə-ˈnish-ən 

1

a

: objects (as bullets) fired from guns

b

: explosive objects (as bombs) used in war

2

: material that may be used in attacking or defending a position

results of the study provided more ammunition