集しゅう団だん自じ殺さつ

noun, noun or participle which takes 'suru'

group suicide; mass suicide

Refers to a planned event where multiple people take their own lives together, often in a cult or pact context. Can be used as a noun or with する.

• そのカルト教きょう団だんで集しゅう団だん自じ殺さつが起おきた。

  A group suicide occurred in that cult.

• ネットで知しり合あった人ひとたちが集しゅう団だん自じ殺さつを図はかった。

  People who met online attempted mass suicide.