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[soo-uh-sahyd] /ˈsu əˌsaɪd/
the intentional taking of one's own life.
destruction of one's own interests or prospects:
Buying that house was financial suicide.
a person who intentionally takes his or her own life.
verb (used without object), suicided, suiciding.
to commit suicide.
verb (used with object), suicided, suiciding.
to kill (oneself).
1645-55; < New Latin suīcīdium, -cīda, equivalent to Latin suī of oneself, genitive singular of reflexive pronunciation + -cīdium, -cīda -cide
Related forms
antisuicide, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for suicide
  • suicide is the act of taking one's own life on purpose.
  • Pity the lunatic fringe, poring over the lexicon to find an ersatz euphemism for suicide.
  • The moon is about to get some new visitors-including one on a suicide mission.
  • suicide is on the rise for the first time in a decade, and it has a new face: middle-aged, white adults.
  • It's funny how things are so great and then you get the third biggest suicide rate in the world.
  • Since they were installed, the suicide rate has slowed to a trickle.
  • suicide is a distinctive event, but its causes are hardly simple or single.
  • The country's suicide rate is among the highest in the world.
  • suicide is a complex act, a convergence of troubled strands.
  • During a short release he twice attempted suicide with a gun from the vestibule rack.
British Dictionary definitions for suicide


/ˈsuːɪˌsaɪd; ˈsjuː-/
the act or an instance of killing oneself intentionally
the self-inflicted ruin of one's own prospects or interests: a merger would be financial suicide
a person who kills himself intentionally
(modifier) reckless; extremely dangerous: a suicide mission
(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
Word Origin
C17: from New Latin suīcīdium, from Latin suī of oneself + -cīdium, from caedere to kill
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for suicide

"deliberate killing of oneself," 1650s, from Modern Latin suicidium "suicide," from Latin sui "of oneself" (genitive of se "self"), from PIE *s(u)w-o- "one's own," from root *s(w)e- (see idiom) + -cidium "a killing" (see -cide). Probably an English coinage; much maligned by Latin purists because it "may as well seem to participate of sus, a sow, as of the pronoun sui" [Phillips]. The meaning "person who kills himself deliberately" is from 1728. In Anglo-Latin, the term for "one who commits suicide" was felo-de-se, literally "one guilty concerning himself."

November, the suicide season. [Samuel Foote, "The Bankrupt," 1773]
In England, suicides were legally criminal if sane, but not if judged to have been mentally deranged. The criminal ones were given degrading burial in roadways until 1823. Suicide blonde first attested 1942. Baseball suicide squeeze is attested from 1955.

Online Etymology Dictionary, © 2010 Douglas Harper
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suicide in Medicine

suicide su·i·cide (sōō'ĭ-sīd')

  1. The act or an instance of intentionally killing oneself.

  2. One who commits suicide.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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