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[am-oh] /ˈæm oʊ/
noun, Informal.
Origin of ammo Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for ammo
  • When some crackpot snaps and goes to campus with a sackful of guns and ammo, they are the next thing to invulnerable.
  • Heavy machine guns and other similar weapons have depleted uranium ammo versions.
  • Wrong if they thought that magic bullets would fall out of an equally magical box of ammo against disease.
  • More ammo for my thoughts that musical appreciation is learned, not innate.
  • They study their opponents, stage mock battles, and stash ammo to grab in the moment of crisis.
  • The fighters squatted in the dust, feeding rounds into ammo clips and nibbling on pistachios.
  • Various military sites had to move their munitions and ammo and other explosives to a more distant, more secure sight.
  • But either way, it will provide some high-caliber ammo for his opponent.
  • Engineers can repair ammo depots while infiltrators can disguise themselves as the enemy.
  • Incendiary ammo is also available, which sets zombies on fire after gunshots.
British Dictionary definitions for ammo


(informal) short for ammunition
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for ammo

1917, shortened form of ammunition.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for ammo



: The fat ammo barge rocked up and down

  1. Ammunition: The platoon is out of ammo (1930+)
  2. Information and other material that may be used in a debate, campaign, expose´, etc: Your shabby personal life gives lots of ammo to the opposition
  3. Toilet paper

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Related Abbreviations for ammo


The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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