WordNet (r) 3.0 (2006):
bad luck n 1: an unfortunate state resulting from unfavorable outcomes [syn: misfortune, bad luck, tough luck, ill luck] [ant: good fortune, good luck, luckiness] 2: an unpredictable outcome that is unfortunate; "if I didn't have bad luck I wouldn't have any luck at all" [syn: bad luck, mischance, mishap] 3: unnecessary and unforeseen trouble resulting from an unfortunate event [syn: misfortune, bad luck]