unappealing

Adjective

• not able to attract favorable attention
  • they have made the place as unappealing as possible
    
  • was forced to talk to his singularly unappealing hostess
    

• (of characters in literature or drama) tending to evoke antipathetic feelings
  • all the characters were peculiarly unsympathetic
    

Related words

• Synonyms: 
  unsympathetic , unlikeable , unlikable
• Antonyms: 
  appealing , sympathetic , likeable , likable