: 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.
In suicidal ideation or self-harm scenarios, the bot’s response was also inconsistent. Kaan Ozcan, NBC news, 3 Mar. 2026 Chatbots like ChatGPT have come under scrutiny as of late for the lack of guardrails their companies have in place to prevent acts of violence or self-harm. Catherina Gioino, Fortune, 2 Mar. 2026 ChatGPT Health is designed to show a crisis intervention banner when someone describes thoughts of self-harm, the researcher noted. Melissa Rudy, FOXNews.com, 2 Mar. 2026 Meta said that, starting next week, parents who use Instagram's supervision tools will get a message — either via email, text or WhatsApp, as well as through an in-app notification — if a teen repeatedly searches for certain terms related to self-harm or suicide within a short time span. Mary Cunningham, CBS News, 26 Feb. 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 9 Mar. 2026.

Kids Definition

self-harm

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