Learn how to say Suicide correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word suicide:
the act or an instance of killing oneself intentionally
the self-inflicted ruin of one’s own prospects or interests ⇒ a merger would be financial suicide
a person who kills himself intentionally
(modifier) reckless; extremely dangerous ⇒ a suicide mission
(modifier) (of an action) undertaken or (of a person) undertaking an action in the knowledge that it will result in the death of the person performing it in order that maximum damage may be inflicted on an enemy ⇒ a suicide attack, suicide bomber