✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

ammunition

noun

am·​mu·​ni·​tion ˌam-yə-ˈni-shən How to pronounce ammunition (audio)
1
a
: the projectiles with their fuses, propelling charges, or primers fired from guns
c
: explosive military items (such as grenades or bombs)
2
: material for use in attacking or defending a position
ammunition for the defense lawyers

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The two planned to transport firearms, ammunition and explosives by sailboat, according to the indictment. Kristin Wright, NPR, 23 Nov. 2025 Keith Woods, of Boston, was charged with carrying a firearm without a license, possession of ammunition without a Firearm Identification card, and resisting arrest. Boston Herald Staff, Boston Herald, 23 Nov. 2025 According to the June 18 indictment, while at large, LaSota possessed a cache of weapons, including a sniper rifle, various handguns, and hundreds of rounds of ammunition. Mia Cathell, The Washington Examiner, 21 Nov. 2025 Wake Island Airfield, where the 25th Infantry Division's HIMARS launchers were deployed, had its infrastructure modernized in 2020 and 2021, including repairs and expansion of a taxiway and an area used for loading and unloading ammunition. Ryan Chan, MSNBC Newsweek, 21 Nov. 2025 See All Example Sentences for ammunition

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

Time Traveler
The first known use of ammunition was in 1607

Browse Nearby Words

Cite this Entry

“Ammunition.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ammunition. Accessed 28 Nov. 2025.

Kids Definition

ammunition

noun
am·​mu·​ni·​tion ˌam-yə-ˈnish-ən How to pronounce ammunition (audio)
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

More from Merriam-Webster on ammunition

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!