unfavourable

Adjective

• not favorable
  • made an unfavorable impression
    
  • unfavorable reviews
    

• (of winds or weather) tending to hinder or oppose
  • unfavorable winds
    

• not encouraging or approving or pleasing
  • unfavorable conditions
    
  • an unfavorable comparison
    
  • unfavorable comments, unfavorable impression
    

Related words

• Antonyms: 
  favorable , favourable