bad luck

Noun

• unnecessary and unforeseen trouble resulting from an unfortunate event

• an unpredictable outcome that is unfortunate
  • if I didn't have bad luck I wouldn't have any luck at all
    

• an unfortunate state resulting from unfavorable outcomes

Related words

• Synonyms: 
  misfortune , mischance , mishap , tough luck , ill luck
• Antonyms: 
  good fortune , luckiness , good luck