即死

1. Origins, structure, and basic meaning

• Structure: 即死（そくし） means dying immediately after an accident, impact, or similar event.
• Basic usage: Use it for an accident in a story or a game device that causes death on contact.

2. Common pitfalls and similar expressions

• Immediate death versus sudden death
  • 即死 focuses on there being almost no time between the triggering event and death.
  • 急死 focuses on death being sudden and unexpected.