death by misadventure

death by misadventure (countable and uncountable, plural deaths by misadventure)

1. (UK law) An accidental death not caused by any violation of law or criminal negligence, but by a risk taken voluntarily.

• “death by misadventure”, in Cambridge English Dictionary, Cambridge, Cambridgeshire: Cambridge University Press, 1999–present.
• “death by misadventure”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
• “death by misadventure” in Longman Dictionary of Contemporary English, Longman.