: 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.
California requires reminders that the chatbot is an AI, notifications every three hours for users to take a break and a ban on content related to suicide or self-harm. IEEE Spectrum, 6 May 2026 The National Law Review uncovered multiple cases in 2024 and 2025 of teenagers and children using chatbots to explore self-harm, in some cases with lethal consequences. Ahmed Hamza, The Conversation, 5 May 2026 Companies should be required to disclose how their algorithms promote content to minors and be held responsible for knowingly amplifying harmful material, including content linked to self-harm, exploitation, or harassment. Linh Tat, Oc Register, 4 May 2026 The lawsuits, filed separately, mark just the latest scrutiny of OpenAI over claims that ChatGPT has encouraged users to engage in real-world violence or self-harm. Clare Duffy, CNN Money, 29 Apr. 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

Browse Nearby Words

Cite this Entry

“Self-harm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/self-harm. Accessed 16 May. 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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