[ hahrm ]
See synonyms for harm on Thesaurus.com
  1. physical injury or mental damage; hurt: to do him bodily harm.

  2. moral injury; evil; wrong.

verb (used with object)
  1. to do or cause harm to; injure; damage; hurt: to harm one's reputation.

Origin of harm

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

synonym study For harm

1, 2. See damage.

Other words for harm

Opposites for harm

Other words from harm

  • harmer, noun
  • self-harming, adjective
  • un·harmed, adjective
  • un·harm·ing, adjective

Other definitions for HARM (2 of 2)

[ hahrm ]

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

Origin of HARM


Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use harm in a sentence

  • Harmer added the drone “looks very similar to an Iranian Mohajer-4.”

    ISIS: We Nabbed an Iranian Drone | Jacob Siegel | November 17, 2014 | THE DAILY BEAST
  • “Everything North Korean missile engineers figure out about Scuds, within three months the Iranians know about it,” Harmer said.

  • Harmer was the last culprit executed within the walls of the Castle.

    Norfolk Annals | Charles Mackie
  • If there was any difficulty about getting the thing into literary shape Mr Harmer would only be too happy, etc., etc.

    The Exiles of Faloo | Barry Pain
  • Our friend, Mr Harmer, will laugh at me, but I am proposing to write a pamphlet—it may even be a little book.

    The Exiles of Faloo | Barry Pain
  • The Times upon this wrote twelve powerful leaders against Harmer, which at once decided the question.

    Old and New London | Walter Thornbury
  • When we arrived at Lichfield, Mr. Harmer determined to finish the briefs before he went on to Stafford.

    Memoirs of Joseph Grimaldi | Joseph Grimaldi

British Dictionary definitions for harm


/ (hɑːm) /

  1. physical or mental injury or damage

  2. moral evil or wrongdoing

  1. (tr) to injure physically, morally, or mentally

Origin of harm

Old English hearm; related to Old Norse harmr grief, Old High German harm injury, Old Slavonic sramǔ disgrace

Derived forms of harm

  • harmer, noun

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

Other Idioms and Phrases with harm


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

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.