misadventure

noun

Etymology: From Middle English misaventure, from Old French mesaventure, equivalent to mis- + adventure.

1. An accidental mishap or misfortune.

   “It is said that every life has its roses and thorns; there seemed, however, to have been a misadventure or mistake in Stephen's case, whereby somebody else had become possessed of his roses, and he had become possessed of the same somebody else's thorns in addition to his own.”

   “There were, however, 34 deaths among passengers in movement accidents, due mainly to misadventure and carelessness when entering and leaving trains in motion, falling off platforms and out of carriages, and opening and closing carriage doors.”