自殺 is read as じさつ (jisatsu) and means suicide.
じさつ
jisatsu
じさつしゃ
person who has committed suicide
じさつてん
own goal
じさつをはかる
to attempt suicide
じさつがんぼう
suicidal tendency
がすじさつ
gas suicide
しゅうごうじさつ
group suicide
じゅすいじさつ
suicide by drowning
あとおいじさつ
following someone's example, and committing suicide
かろうじさつ
suicide brought on by excessive overwork
とびおりじさつ
suicide by jumping (e.g. from a tall building)
とびこみじさつ
committing suicide by throwing oneself in front of an onrushing train
じさつてき
suicidal