suicide
Americannoun
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the intentional taking of one's own life.
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destruction of one's own interests or prospects.
Buying that house was financial suicide.
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a person who intentionally takes their own life.
verb (used without object)
verb (used with object)
noun
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the act or an instance of killing oneself intentionally
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the self-inflicted ruin of one's own prospects or interests
a merger would be financial suicide
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a person who kills himself intentionally
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(modifier) reckless; extremely dangerous
a suicide mission
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(modifier) (of an action) undertaken or (of a person) undertaking an action in the knowledge that it will result in the death of the person performing it in order that maximum damage may be inflicted on an enemy
a suicide attack
suicide bomber
Sensitive Note
In English, the verb suicide exists (e.g., Many teens who suicide have experienced abuse or bullying ), but its use is rare. Rather, the most common way to express the idea of taking one’s own life uses the noun suicide in the expressions to commit suicide or to attempt suicide . However, the phrase commit suicide is discouraged by major editorial style guides, mental health professionals, and specialists in suicide prevention. The verb commit is associated with crime (in the justice system) and sin (in religion). Using such moralistic language deepens the emotional pain surrounding a suicide. The verb phrases to die by suicide and to end one’s life are now preferred over the common expression commit suicide . The adjectives successful , unsuccessful , and failed are words that should be avoided when describing a suicide or suicide attempt, as is language that either romanticizes or stigmatizes the act. Suicide is undeniably a hard subject to broach. It is okay to talk about suicide; studies show that discussing suicide with someone will not make that person suicidal or increase the likelihood of acting on suicidal ideation. But using language that criminalizes the act is insensitive to those whose lives have been touched by suicide.
Other Word Forms
Etymology
Origin of suicide
First recorded in 1650–60; from New Latin suīcīdium, equivalent to Latin suī “of oneself,” genitive singular of reflexive pronoun + Latin combining form -cīda “killer”; see origin at -cide
Vocabulary lists containing suicide
Cormac McCarthy's "The Road"
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TKAM excerpt
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Haig, 50, who survived addiction and a suicide attempt in his 20s, says second chances are central to his writing for a simple reason: “Because I had one.”
From The Wall Street Journal • May 25, 2026
Through her work she has seen that "experiences in early childhood are often the root cause of today's hardest social challenges, such as addiction, family breakdown, poor mental health, suicide and homelessness," the foundation says.
From Barron's • May 13, 2026
The disgraced financier would ultimately die weeks later in the same New York facility in what was ruled a suicide.
From Los Angeles Times • May 6, 2026
Within a few months in office, Patel had fallen into line, telling Fox News that Epstein committed suicide and rejecting his former conspiracist audience’s belief that it was a murder.
From Salon • Apr. 24, 2026
Despite the fact that he’d just been volunteered for a likely suicide mission, the coach looked grateful.
From "The House of Hades" by Rick Riordan
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.