: the act of purposely hurting oneself (as by cutting or burning the skin) as an emotional coping mechanism
An acute change in mood that persists for weeks or is associated with thoughts of self-harm should not be ignored.John Williamson

called also self-injury, self-mutilation

self-harm intransitive verb
self-harmed; self-harming; self-harms
teenagers who self-harm

Examples of self-harm in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For example, youth who develop self-harm behavior or substance misuse may require additional monitoring and may be allowed less privacy to ensure their safety. Sherri Gordon, Parents, 26 June 2026 Early also has a larger target in view, the fickleness of internet celebrity, a lure that often comes with self-harm. Joshua Rothkopf, Los Angeles Times, 26 June 2026 The analysis reveals guidance for identifying symptoms, suggesting professional help, and handling sensitive topics like self-harm and disordered eating with caution and accurate resources. Lance Eliot, Forbes.com, 23 June 2026 More and more kids are using AI chatbots in their daily lives, raising fears that they could be led to self-harm or exposed to privacy or safety vulnerabilities. Victoria Baeza Garcia, The Washington Examiner, 23 June 2026 See All Example Sentences for self-harm

Word History

First Known Use

1983, in the meaning defined above

Time Traveler
The first known use of self-harm was in 1983

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Cite this Entry

“Self-harm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/self-harm. Accessed 27 Jun. 2026.

Kids Definition

self-harm

noun
: the act of purposely hurting oneself (as by cutting or burning the skin) as an emotional coping mechanism
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