suicidal

[soo-uh-sahyd-l]
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adjective

pertaining to, involving, or suggesting suicide.
tending or leading to suicide.
foolishly or rashly dangerous: He drives at a suicidal speed.

Origin of suicidal

First recorded in 1770–80; suicide + -al1
Related formssu·i·cid·al·ly, adverbpseu·do·su·i·ci·dal, adjectiveun·su·i·cid·al, adjectiveun·su·i·cid·al·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for suicidally

suicidal

adjective

involving, indicating, or tending towards suicide
liable to result in suicidea suicidal attempt
liable to destroy one's own interests or prospects; dangerously rash
Derived Formssuicidally, adverb
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

Word Origin and History for suicidally

suicidal

adj.

1777, from suicide + -al (1). Related: Suicidally.

Online Etymology Dictionary, © 2010 Douglas Harper

suicidally in Medicine

suicidal

[sōō′ĭ-sīdl]

adj.

Of or relating to suicide.
Likely to attempt suicide.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.