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Synonyms

suicidal

American  
[soo-uh-sahyd-l] / ˌsu əˈsaɪd l /

adjective

  1. pertaining to, involving, or suggesting suicide.

  2. tending or leading to suicide.

  3. foolishly or rashly dangerous.

    He drives at a suicidal speed.


suicidal British  
/ ˌsjuː-, ˌsuːɪˈsaɪdəl /

adjective

  1. involving, indicating, or tending towards suicide

  2. liable to result in suicide

    a suicidal attempt

  3. liable to destroy one's own interests or prospects; dangerously rash

"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

Other Word Forms

Derived Forms

Etymology

Origin of suicidal

First recorded in 1770–80; suicide + -al 1

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.

In these years, Günter dissents from his teacher’s theory of the death drive by arguing that even suicidal struggles are evidence of a desire to go on living.

From The Wall Street Journal • Jun. 3, 2026

At a Department of War briefing last week, Defense Secretary Peter Hegseth was asked whether Iran was using “kamikaze,” or suicidal, dolphins to attack military assets in the Strait of Hormuz.

From Barron's • May 14, 2026

Shifts in 988 hotline volunteer behavior can have a major impact for autistic callers, a population more likely to experience suicidal crisis.

From Los Angeles Times • May 6, 2026

In addition, GLP-1 receptor agonists were associated with a reduced risk of suicidal behavior.

From Science Daily • May 4, 2026

Keeping grizzly bears for longer would be suicidal; I am not aware of any adult that has been tamed.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond

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