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

• aegis
• egis
• armor
• buckler
• cover
• defense
• guard
• protection
• safeguard
• screen
• security
• shield
• wall
• ward

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

Authorities also seized drugs, weapons, ammunition, tactical equipment, vehicles and the two properties. —Alexandra Mendoza, Mercury News, 18 June 2025

In Boelter's vehicle, still parked in the driveway, officers discover five more firearms, including assault-style rifles and a large quantity of ammunition, Thompson said. —Bill Hutchinson, ABC News, 17 June 2025

Officers searching the apartment where Rivera was shot found three guns, several magazines and several rounds of ammunition, according to prosecutors. —Sam Charles, Chicago Tribune, 17 June 2025

Face the end of the world boldly with love by your side… and uh… some ammunition. —Jennifer Maas, Variety, 17 June 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