: the act of inflicting injury or disfigurement to one's own body
The original wound reopened and became dangerously infected, and yet this classic display of canine self-mutilation continued.Dog Watch
But there seem to be, nevertheless, very few cases of actual cowardice. Of these, the majority involve self-mutilation by conscripts, in an attempt to be invalided out of the Army.Carey Schofield
… a Los Angeles Superior Court judge on Tuesday ordered the state to pay for the private care of a 19-year- old man suffering from a rare neurological disorder that prompts violent bouts of self-mutilation.Claudia Puig
specifically : the act of purposely hurting oneself (as by cutting or burning the skin) as an emotional coping mechanism : self-harm
… the terrible incidence of self-mutilation, or cutting, particularly among young girls. Judy Quinn
self-mutilate intransitive verb
self-mutilated; self-mutilating; self-mutilates
self-mutilating behavior

Examples of self-mutilation 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.
Onstage, Dead favored blood, self-mutilation and the black-and-white makeup known as corpse paint. Elisabeth Vincentelli, New York Times, 22 Mar. 2025 But in reality, Hopper had been packing his legs in ice and dry ice in an act of self-mutilation, authorities said. David K. Li, NBC news, 5 Sep. 2025 This would be voluntary movement patterns with no clear function or goal, performed repeatedly with little to no variation—feather plucking, screaming, or even self-mutilation. Jennifer Ouellette, ArsTechnica, 6 Aug. 2025 In animals, it is known to cause symptoms such as excessive salivation, aggressiveness and self-mutilation, the CDC said. Julianna Duennes Russ, Austin American Statesman, 30 Dec. 2025 See All Example Sentences for self-mutilation

Word History

First Known Use

1637, in the meaning defined above

Time Traveler
The first known use of self-mutilation was in 1637

Browse Nearby Words

Cite this Entry

“Self-mutilation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/self-mutilation. Accessed 7 Jul. 2026.

Medical Definition

self-mutilation

noun
: injury or disfigurement of oneself
self-mutilation associated with the Lesch-Nyhan syndrome
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