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Synonyms

harm

1 American  
[hahrm] / hɑrm /

noun

  1. physical injury or mental damage; hurt.

    to do him bodily harm.
    Antonyms:
    benefit

  2. moral injury; evil; wrong.

verb (used with object)

  1. to do or cause harm to; injure; damage; hurt.

    to harm one's reputation.
    Synonyms:
    abuse, maltreat
    Antonyms:
    help
HARM 2 American  
[hahrm] / hɑrm /

noun

Military.

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

harm British  
/ hɑːm /

noun

  1. physical or mental injury or damage

  2. moral evil or wrongdoing

"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

verb

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

"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
harm Idioms  

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

Related Words

See damage.

Other Word Forms

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

Etymology

Origin of harm1

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

Origin of HARM1

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A person subject to sanctions is informed only after the fact—his chance to dispute the sanctions comes after the harm is already done.

From The Wall Street Journal

“There’s a point where not using these tools is doing harm,” Klapper said.

From The Wall Street Journal

“That harm can look like wrecked credit, failed background checks, or failed mortgage applications while the people committing the fraud face relatively little risk or consequence.”

From Los Angeles Times

In court filings, Zillow said the brokerage failed to show that Zillow’s rules harmed the housing market or that it has market power.

From Barron's

That recommendation was roundly criticised by paediatricians with the American Academy of Pediatrics describing it as "a dangerous move that will harm children".

From BBC

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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