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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.

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

More than 20 people close to Charmain gave similar accounts - she did not use drugs and was not suicidal.

From BBC • Apr. 11, 2026

That involves developing mechanisms for what he describes as “avalanche decoupling”—basically the kind of total economic isolation that makes a war not just expensive, but suicidal for the Chinese economy.

From The Wall Street Journal • Mar. 24, 2026

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

From Science Daily • Mar. 22, 2026

Folly, folly, his heart kept saying: conscious, gratuitous, suicidal folly!

From "1984" by George Orwell

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