: 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.
Even the most memorable new character, Forky (Tony Hale)—an endearingly daffy piece of plastic cutlery with a tendency toward self-harm—could only reinforce the sense that we were being served a load of flimsy, disposable goods. Justin Chang, New Yorker, 19 June 2026 Yurich traces Eddie’s spiraling loss of control and his lurch into self-harm with raw feeling, and both writer and director take risks with a final act that can be interpreted as a victory but never glosses over the tremendous physical and emotional cost. David Rooney, HollywoodReporter, 16 June 2026 Grieving parents, including Ellen Roome, are demanding the UK government ban social media for under-16s, citing platforms' harmful designs contributing to anxiety, self-harm, and exploitation. Belonging Forum, Forbes.com, 12 June 2026 The criteria include frantic efforts to avoid abandonment, having unstable relationships, identity disturbance, impulsive behavior, chronic feelings of emptiness, intense anger, emotional instability, paranoia or dissociation under stress, and recurrent suicidal behavior or self-harm. Angela Haupt, Time, 11 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

Browse Nearby Words

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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