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

Advertisement Advertisement Protesters stormed the Parliament in Kathmandu, and police responded with tear gas, rubber bullets, water cannons, and, according to human rights organization Amnesty International, live ammunition. —Chad De Guzman, Time, 9 Sep. 2025

The scandal also hands fresh ammunition to Nigel Farage’s far-right Reform Party, which is already leading in the polls. —Ben Smith, semafor.com, 8 Sep. 2025

Several weapons, ammunition and a knife used by the attackers were recovered at the scene, police said. —Reuters, USA Today, 8 Sep. 2025

Videos showed security forces deploying water cannons, tear gas and live ammunition to disperse protesters gathered outside Nepal’s parliament building in Kathmandu. —Sugam Pokharel, CNN Money, 8 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