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English definition of “suicide”

suicide

noun [C/U]  /ˈsu·əˌsɑɪd/ us  
the act of killing yourself intentionally: [U] She threatened to commit suicide. Suicide can also refer to any act that has the effect of causing defeat: [U] It would be political suicide for him to refuse to support his own party’s platform.
(Definition of suicide from the Cambridge Academic Content Dictionary © Cambridge University Press)
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