Mis'/ad-vĕnt'/ure, n.
n. Mischance; misfortune; ill luck; unlucky accident; ill adventure.
It brings bad tidings; how it hourly blows Man's misadventures round the listening world! Young.
Homicide by misadventure (Law), homicide which occurs when a man, doing a lawful act, without any intention of injury, unfortunately kills another. This is called excusable homicide. Blackstone.
Synonyms—Mischance; mishap; misfortune; infelicity; disaster; calamity.