misadventure

noun3

1. •
   A fatal mishap, especially one voluntarily risked by the victim, bad luck causing an accidental death without attaching any liability to any other involved parties.

   • Stoke City have defended their safety record on Thursday after a coroner recorded a verdict of misadventure on a supporter who died after being struck by a rubbish bin. — 2011
2. •
   Synonym of mistake, a misguided and/or failed enterprise, a risky action that turns out badly.
3. •
   Synonym of misfortune, bad luck or mishap, an instance of bad luck.

   • All under the sun are subject at times to misery and misadventure.