suicidal

IPA: suʌsˈaɪdʌɫ

Pertaining to suicide.
(of a person) Likely to commit, or to attempt to commit, suicide.
(of a voluntarily-chosen course of action) Highly likely to certain to result in the deaths of the participants; dangerous or reckless to such a degree as to be tantamount to suicide for those taking part.
(informal, hyperbolic) Extremely reckless.

Examples of "suicidal" in Sentences

You don't have to kill yourself to be engaging in suicidal behavior.
Psychotropic medication changes, polypharmacy, and the risk of early readmission in suicidal adolescent inpatients.
The word "ideation" also shows up in the phrase "suicidal ideation," meaning "thinking, often obsessively, about harming yourself."
Pichot MH, Auzepy P, Richard C. Acute drug poisoning in suicidal elderly patients 70 years old and over. 92 cases in a medical ICU.
Everyone is buying into Hillary's psychopathy but Obama IS going to be the nominee otherwise the Democrats are just plain suicidal (or extremely stupid).
This striking decrease in suicidal risk appears to flow from a newfound self-confidence in the vast majority of Katrina survivors, the researchers found.
After that comes what I call the suicidal phase, where they CAN and WILL try anything and you are constantly on guard against their innocent joy in, for example, electrical cable or toilet brushes.
The survey showed no spike in suicidal tendencies in New Orleans but did find that half the city's survivors were having nightmares about their experiences, compared with a quarter of all survivors.