1. bad luck, mischance, mishap, luck, fortune, chance, hazard

usage: an unpredictable outcome that is unfortunate; "if I didn't have bad luck I wouldn't have any luck at all"

2. mishap, misadventure, mischance, misfortune, bad luck

usage: an instance of misfortune

WordNet 3.0 Copyright © 2006 by Princeton University.
All rights reserved.

See also: mischance (Dictionary)