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 mother, meanwhile, is backed up by her second husband (Kwon), a mild-mannered documentary filmmaker whose profession gives his wife yet more ammunition in her smiling disparagement of Sanghee. — Guy Lodge, Variety, 15 Aug. 2026

The ammunition matched the casing that Fort Worth police cadets found near the scene of the shooting, according to the affidavit. — Harriet Ramos, Fort Worth Star-Telegram, 14 Aug. 2026

Song said the Type 054B needs enough ammunition to remain effective during both group operations and independent deployments. — Aamir Khollam, Interesting Engineering, 14 Aug. 2026

An explosion struck an ammunition manufacturing plant in the town of Colleferro near Rome on Thursday, local authorities said. — ABC News, 13 Aug. 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