: 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.
Victims targeted worldwide Members of these networks reportedly target vulnerable victims to engage in self-harm, create CSAM, commit acts of animal cruelty, exploit siblings, and, in some cases, encourage suicide attempts, according to the FBI. Doug Myers, CBS News, 17 Apr. 2026 Brief flashbacks to Mary’s earlier concerts are merely informational; another flashback, to a séance at which Mary yielded to self-harming mysticism, is far more consequential, leading to violence in Sam’s studio. Vince Aletti, New Yorker, 17 Apr. 2026 The actress said that one night, her daughter, Luca, 28, witnessed her shattering framed photos of herself and Abrams and then using the glass shards to self-harm. Hannah Sacks, PEOPLE, 14 Apr. 2026 Police said the case is being investigated as a possible act of self-harm and that there is no indication of an ongoing threat to the campus community. Stepheny Price, FOXNews.com, 7 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 22 Apr. 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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