bad_luck
1. [ noun ] an unfortunate state resulting from unfavorable outcomes
Synonyms: misfortune tough_luck ill_luck
Related terms: good_fortune good_fortune fortune adversity gutter hard_cheese weakness
2. [ noun ] an unpredictable outcome that is unfortunate
Synonyms: mishap mischance
Examples:

"if I didn't have bad luck I wouldn't have any luck at all"

Related terms: luck
3. [ noun ] unnecessary and unforeseen trouble resulting from an unfortunate event
Synonyms: misfortune
Related terms: trouble calamity pity adversity hardship knock mishap