suicide noun
ADJ. attempted | mass Members of the sect committed mass suicide. | economic | electoral, political Raising taxes before an election would be political suicide.
VERB + SUICIDE commit | attempt | contemplate
SUICIDE + NOUN threat | attempt, bid He slashed his wrists in a failed suicide bid. | pact The couple died together in a suicide pact. | bomber, bombing | mission | letter, note He died without leaving a suicide note. | rate
You can also check other dicts: suicide (English, 中文解释 ), wordnet sense, Collins Definition