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 of ammunition

• defense
• protection
• weapon
• shield
• safeguard
• 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

With dwindling supplies of food and ammunition, the end came swiftly. —Michael Peregrine, Chicago Tribune, 17 Apr. 2026

The prop gun, which Baldwin believed to contain dummy rounds, actually had a live round of ammunition in it. —Meredith Deliso, ABC News, 17 Apr. 2026

Prosecutors argued that Colin Gray gave his son the weapon used in the shooting as a Christmas gift, as well as ammunition, despite multiple warning signs that the boy's mental state was deteriorating. —Dan Raby, CBS News, 17 Apr. 2026

Davis faces state felony charges of possessing an assault weapon, being a felon in possession of a firearm and ammunition and having a firearm after a prior juvenile conviction. —Rosalio Ahumada, Sacbee.com, 16 Apr. 2026

Word History

Etymology

earlier, "military supplies," borrowed from Middle French amonition, probably variant of munition, monition 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