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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 HARM2

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.

These special programs that are supposed to be remedial do harm, not just good.

From The Wall Street Journal

“Jalen Brown Enterprises Inc. supports lawful compliance and cooperative engagement with municipalities wherever we operate. However, this private residential gathering was interrupted without substantiated cause, resulting in significant financial and reputational harm.”

From Los Angeles Times

Because these conditions are also tied to dementia, researchers have questioned whether polluted air raises Alzheimer's risk indirectly by contributing to those illnesses, or whether it harms the brain more directly.

From Science Daily

The testing uncovered numerous substances associated with cancer, hormone disruption, developmental harm, and immune system effects.

From Science Daily

Other than produce, and some specialty items, Mathew says he buys nearly everything from Amazon, to the point he is worried that he is becoming addicted to the convenience and possibly harming local businesses.

From The Wall Street Journal

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.