physical injury or mental damage; hurt: to do him bodily harm.
moral injury; evil; wrong.
verb (used with object)
to do or cause harm to; injure; damage; hurt: to harm one's reputation.

before 900; Middle English; Old English hearm; cognate with German Harm, Old Norse harmr

harmer, noun
self-harming, adjective
unharmed, adjective
unharming, adjective

1, 2. See damage. 3. maltreat, abuse.

1. benefit. 3. help.
Dictionary.com Unabridged


noun Military.
a U.S. air-to-surface missile designed to detect and destroy radar sites by homing on their emissions.

H(igh-speed) A(nti) R(adiation) M(issile)

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
harm (hɑːm)
1.  physical or mental injury or damage
2.  moral evil or wrongdoing
3.  (tr) to injure physically, morally, or mentally
[Old English hearm; related to Old Norse harmr grief, Old High German harm injury, Old Slavonic sramǔ disgrace]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

O.E. hearm "hurt, evil, grief, pain, insult," from P.Gmc. *kharmaz (cf. O.N. harmr, O.Fris. herm, Ger. harm "grief, sorrow, harm"). The verb is from O.E. hearmian "to hurt," and ousted O.E. skeþþan "scathe" in all but a few senses.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Abbreviations & Acronyms
high-speed antiradiation missile
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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American Heritage
Idioms & Phrases


see do one wrong (harm); out of harm's way.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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Example sentences
Harm can be physical or mental, therefore it is still considered harm because
  of the physical injury involved.
The chemical building blocks that make plastics so versatile are the same
  components that might harm people and the environment.
Insects and diseases seldom cause well-grown plants much harm.
However, it can't do any harm and politeness is always appreciated.
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