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

Her strike zone shrank and pitchers treated the heart of it like live ammunition. —Ira Gorawara, New York Times, 15 May 2026

Police also matched ammunition found at the scene to ammunition found in Brockenshire’s closet. —Kansas City Star, 15 May 2026

Authorities noted that Joyce is a felon with a criminal history that includes state convictions for drug, larceny and burglary charges, which disqualify him from having guns or ammunition. —Justin Muszynski, Hartford Courant, 14 May 2026

Conventional missile defenses can be expensive and limited in ammunition, while laser systems can continue operating as long as the ship has sufficient electrical power. —Prabhat Ranjan Mishra, Interesting Engineering, 14 May 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