Misadventure

Mis`ad*ven"ture (?; 135), n. [OE. mesaventure, F. mésaventure.] Mischance; misfortune; ill luck; unlucky accident; ill adventure. Chaucer.

Homicide by misadventure (Law), homicide which occurs when a man, doing a lawful act, without any intention of injury, unfortunately kills another; -- called also excusable homicide. See Homicide. Blackstone.

Syn. -- Mischance; mishap; misfortune; disaster; calamity.